Blood Strike Blood Purge Event Overview
Blood Purge completely transforms standard gameplay into Zombie Royale mode, where corrupted maps become battlegrounds for Humans vs Zombies in faction warfare. Running from December 4 through January 7, Blood Crystals are your ticket to the Vermilion Silence RPK and climbing the Rage Leaderboard for faction titles and Ultra Skin Stash Vouchers.
Here's what makes this different: unlike standard Battle Royale that yields 15-25 tokens per match, Blood Purge's dual-faction system delivers significantly higher returns across Valley, Skyline Beach, and Shutter Island maps.
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Faction System Mechanics
Zombie faction delivers 35-50 crystals per match through aggressive elimination gameplay—that's 20-30% higher rewards per kill. Your abilities include Charged Jump for mobility, Throw Contamination to slow enemies, and Blood Rage Empowerment (12 seconds of X-ray vision plus speed and attack boosts). Once you unlock Bloat evolution, you gain access to Acid Fog, zombie summoning, Blood Fury, and a low-health speed boost with self-destruct capability.
Human faction (Striker) yields 30-45 crystals per match through defensive play, Crystal Monster elimination, and special weapons. The Blood Crystal Katar offers short-range energy attacks with dodge repositioning and Earthshaker rift abilities. Blood Crystal Claymore delivers long-range aura and aerial beam attacks. This faction suits players who prefer open-area defense and consistent income streams.
Critical Event Dates
Let's map out the timeline—these dates matter:
December 4: Crystal accumulation begins. Don't sleep on this start date.
December 15: Blight Horizon Strike Pass launches (includes Bizon weapon and 32-Round Dumdum Drum).
December 21: Rage Leaderboard starts with weekly resets. Top performers earn 100-500 weekly crystals.
December 25: Here's the big one—150% crystal multiplier plus grand prize login bonus. This day is critical for maximizing yields.
January 7: Hard deadline. Crystal farming ends when the faction closes.
January 10-12: Tournament registration opens.
January 13-14: Qualifiers run.
January 15: Season 9 launches.
Vermilion Silence RPK Value
This is a limited-edition skin that won't be available after the event ends. What makes it exceptional F2P value? It requires only time investment versus monetary purchase, and you get permanent exclusivity after the faction closes.
The package includes a Legendary Camo Selection Chest for Sedan Crimson Phantom and potential HANK Ultra Skin through shared team missions. And the RPK platform itself? It provides sustained fire support that's ideal for squad gameplay.
Vermilion Silence RPK Unlock Requirements
Crystal Cost Analysis
Let's reverse-engineer the weekly targets you'll need to hit:
- Week 1 (Dec 4-10): 500 crystals
- Week 2 (Dec 11-17): 750 crystals
- Week 3 (Dec 18-24): 1,000 crystals
- Week 4 (Dec 25-31): 1,250 crystals
That's a cumulative 3,500 crystals if you're chasing Peak Legend 1 tournament requirements. But for a conservative unlock estimate? You're looking at 1,500-2,000 crystals based on free-track positioning, with a 20% buffer for experimentation.
Here's the daily math: farming 60-90 crystals (two peak-hour Zombie matches) means 23-34 days to unlock. Starting December 4 gives you a 35-day window—comfortable margin.
Weapon Performance
The RPK excels at sustained suppression with high magazine capacity and controllable recoil. It fills that sweet spot between assault rifles and snipers for medium-range effectiveness. The 32-Round R.I.P Drum from the Strike Pass enhances damage against unarmored enemies.
One caveat: the weight reduces sprint speed, making it ideal for defensive positions rather than aggressive flanking. And just to be clear—Vermilion Silence offers identical performance to the standard RPK. This is purely cosmetic differentiation.
Complete Crystal Farming Strategy
Daily Sources and Limits
Your primary sources break down like this: match completion (35-50 for Zombie, 30-45 for Human), Crystal Monster eliminations (Human bonus), and Rage Leaderboard weekly bonuses (100-500 crystals).
December 25's 150% multiplier essentially doubles your output—don't miss it.
Peak hours (7-10 PM): Maximum crystals per time invested. High population means more PvP opportunities.
Off-peak (10 AM-2 PM): Crystal Monster-focused Human play with less competition. You can farm more reliably without constant PvP interference.
Pro tip: Redeem codes provide Reputation and Gold for weapon upgrades that improve your match performance over time.
High-Priority Missions
Team missions with shared rewards accelerate progress significantly. In practice, 4-player coordination can potentially unlock the HANK Ultra Skin in a single day.
Run Zombie missions during peak hours to maximize elimination-based rewards—that 20-30% higher yield compounds across multiple matches. Switch to Human missions during off-peak to focus on Crystal Monster elimination with minimal PvP interference for reliable 30-45 crystal yields.
Optimal Daily Schedule
Morning (10 AM-2 PM): Redeem codes, then run 3-5 Human faction matches prioritizing Crystal Monsters. Off-peak reduces PvP pressure for consistent 30-45 yields.
Evening (7-10 PM): Switch to Zombie faction during peak population. Aggressive farming targeting high-skill opponents maximizes that 35-50 range and elimination bonuses. Bloat evolution unlocks tactical advantages that increase your kill potential.
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This split schedule totals 2-3 hours daily (500-750 weekly crystals), scaling to 4-5 hours for aggressive goals (1,000-1,250 weekly). Squad play reduces required time through shared rewards.
Fastest Crystal Farming Methods
Speed Optimization
Zombie loadout: Bizon SMG with 32-Round R.I.P Drum for close-range suppression. Blood Crystal Katar for hit-and-run tactics. Charged Jump closes distances rapidly on urban maps.
Human loadout: Memorize Crystal Monster spawns on Valley, Skyline Beach, and Shutter Island for immediate routing. Blood Crystal Claymore's long-range aura clears monsters efficiently. Energy and denial equipment controls approaches.
Here's something experienced players know: pre-select your loadouts between matches to eliminate downtime. Those 30 seconds add up over dozens of matches.
Team Coordination
4-player squads boost yields 200-300% through shared missions and tactical synergy.
Optimal composition: 2 Zombies (aggressive elimination), 1 Human (Crystal Monster focus), 1 flexible player who adapts to conditions.
Communication essentials: Zombies call out high-value targets, Humans announce Crystal Monster spawns, and the flexible player adapts to opportunities as they emerge.
Peak-hour squad play compounds the benefits—high population increases PvP opportunities while squad protection enables riskier plays. What works best is transforming those 35-50 solo crystals into 70-150 squad crystals per match.
Solo vs Squad Farming
Solo advantages: Schedule flexibility and predictable 35-50 Zombie or 30-45 Human income. Skilled players can potentially match squad yields through high-placement finishes.
Squad advantages: That 200-300% boost requires synchronized schedules but creates a higher ceiling. Three coordinated players can carry a fourth through shared rewards.
Hybrid approach: Solo during off-peak, squad during peak windows. This maintains your targets regardless of teammate availability.
Day-by-Day Roadmap to Deadline
Daily Target Calculation
Starting December 4 (35 days available): ~57 crystals daily for 2,000 total. This requires two peak Zombie matches (70-100 crystals) or three Human matches (90-135).
Starting December 15 (23 days): 87 daily—three peak Zombie or four Human matches.
Starting December 25 (13 days): 154 daily. That's five peak matches minimum, a 3-4 hour commitment.
Weekly milestones:
- Week 1: 500 crystals (71 daily)
- Week 2: 750 crystals (107 daily)
- Week 3: 1,000 crystals (143 daily)
- Week 4: 1,250 crystals (179 daily)
Exceeding early targets builds a buffer for holidays and low-yield days.
Late-Start Catch-Up
If you're starting late, prioritize squad play immediately for that 200-300% boost.
First 3 days intensive strategy: Squad farming during peak hours. Nine peak Zombie squad matches can net you 630-1,350 crystals.
December 25 login bonus (150% multiplier): Schedule maximum playtime with your squad for 300-450 crystals in just 4-5 matches. That's 15-23% of your total requirement in one day.
Rage Leaderboard bonuses (100-500 weekly) during Weeks 3-4 add 200-1,000 crystals, covering 10-50% of your remaining requirement.
Progress Checkpoints
Set weekly Sunday checkpoints to assess progress versus targets.
Below 500 after Week 1: Switch from solo to squad, increase session length, optimize faction choice.
Mid-event (Dec 18-20): You should show 1,250+ crystals. Below 1,000 puts you in catch-up mode requiring 3-4 hour daily commitment.
December 31: 2,500+ allows reduced intensity for the final week. Below 1,500 means you need maximum effort during those last seven days.
Common Farming Mistakes
Prioritizing low-yield missions over high-crystal objectives wastes 20-30% of your potential yields. Chase cosmetics after you unlock the RPK or during off-peak sessions—not during prime farming time.
Random faction switching reduces specialization benefits. You lose momentum from loadout familiarity and map positioning knowledge.
Ignoring Crystal Monster spawns as Human wastes your defensive playstyle's core strength. That's literally what you're built for.
Missing daily reset timers loses cumulative opportunities—seven days of skipped morning codes means lost Reputation and Gold for weapon upgrades that improve performance.
Rage Leaderboard weekly reset (Dec 21): Early-week farming faces less competition versus weekend high-skill players. And those peak hours (7-10 PM) don't extend—post-10 PM faces declining populations, reducing PvP crystals and increasing queue times.
Here's something many players don't realize: crystal yields are performance-based within faction ranges, not RNG. Consistently hitting the bottoms (35 Zombie, 30 Human) indicates performance issues requiring loadout adjustment, improved map knowledge, or a faction switch. Top-range yields (50 Zombie, 45 Human) come from high eliminations, survival duration, and objective completion.
Rage Leaderboard bonuses require top-50% ranking through competitive performance, not just participation.
Advanced Efficiency Tips
Loadout Optimization
Zombie: Bizon SMG with 32-Round R.I.P Drum, Blood Crystal Katar, health and movement gear for aggressive pushes. This enables rapid elimination chains that maximize that 20-30% per-kill bonus.
Human: Blood Crystal Claymore, Greatsword for melee defense, energy and denial equipment controlling Crystal Monster zones. This allows solo farming while maintaining 30-45 consistency.
The 32-Round R.I.P Drum synergizes beautifully with Zombie's aggressive playstyle. BAS attachments complement urban map close-quarters engagements.
Map Knowledge
Valley: Crystal Monsters concentrate in central zones—early rotation is critical for Human farmers. Memorize the three primary spawns for immediate routing, securing 15-20 crystals before PvP intensifies. Zombies exploit open sightlines for Throw Contamination setups.
Skyline Beach: Urban density favors Zombie Charged Jump for vertical flanking. Humans control beach-side spawns where open approaches allow Claymore long-range engagement.
Shutter Island: Zombies dominate interiors with Bloat Acid Fog. Humans patrol exterior spawns with Claymore coverage.
Veteran Tactics
Reserve 20% of your crystals for experimentation—test loadouts and practice techniques without jeopardizing weekly targets.
Switch factions based on performance data. Sub-40 Zombie crystals? Trial Human for several matches and compare averages. Use whichever faction delivers higher personal yield as your primary.
Top-50% Rage Leaderboard ranking cuts farming hours 15-25% through weekly bonuses. Prioritize rank climbing during Weeks 2-3 when competition stabilizes but hasn't peaked yet.
Post-January 7 Mechanics
Faction close on January 7 ends Blood Crystal accumulation for Vermilion Silence RPK. Players who don't complete by the deadline lose free acquisition access.
Leftover crystals may convert to standard currency or carry forward, but conversion rates remain unconfirmed. January 8 as a final farm date likely refers to Winter Event conclusion, not Blood Purge—treat January 7 as the hard deadline.
Tournament registration (Jan 10-12) and qualifiers (Jan 13-14) create immediate post-event focus. Crystals contribute to tournament tiers: Peak Legend 4 needs 1,500, Legend 3 requires 2,000, Legend 2 demands 2,750, and Legend 1 targets 3,500+. Top 10 finishers receive Eternal weapons.
There are no confirmed alternative acquisition methods post-January 7. The skin's limited-time nature suggests permanent exclusivity. Future events may introduce different RPK variants, but Vermilion Silence appears unique to this window. Monitor official announcements for potential return events, but treat January 7 as your final chance.
Accelerating Progress with BitTopup
BitTopup's competitive pricing allows targeted investments that maximize crystal farming efficiency. Weapon upgrades improve match performance, increasing yields from faction bottoms to tops (35→50 Zombie, 30→45 Human)—that 30-50% increase compounds across your remaining matches.
Equipment purchases enhance survival duration and objective completion. Health and movement gear for Zombies sustains aggressive plays. Energy and denial equipment for Humans controls Crystal Monster zones.
Fast delivery ensures resources arrive during optimal farming windows. Secure transactions process purchases rapidly for same-day deployment. Wide game coverage consolidates weapon upgrades, equipment, and progression boosts into a streamlined platform.
Excellent customer service resolves issues quickly during those critical final weeks—high ratings reflect consistent delivery and support responsiveness.
Prioritize tier advancement and weapon upgrades over cosmetics for maximum ROI. Performance improvements compound through increased yields across remaining matches.
Time your investments mid-event (Dec 18-20) to assess your pace before committing resources. Players ahead may not need top-ups. Those behind can calculate exact requirements. Reserve 20% of topped-up resources for experimentation, maintaining tactical flexibility.
FAQ
How many Blood Purge Crystals are needed for Vermilion Silence RPK?
Conservative estimate: 1,500-2,000 crystals ensure unlock with an experimentation buffer. Weekly targets totaling 3,500 across four weeks indicate the unlock occurs at a lower milestone around 2,000 based on free-track positioning.
What happens to crystals after January 7?
Faction close ends accumulation for RPK unlock. Leftover crystals may convert to standard currency or carry forward, but conversion rates remain unconfirmed. Complete your unlock before the deadline to avoid losing free acquisition access.
Can I unlock the RPK after the faction closes?
No confirmed alternatives exist post-January 7. The limited-time nature suggests permanent exclusivity for event completers. Future events may introduce different RPK variants, but Vermilion Silence appears unique to this window.
What are the fastest crystal farming methods?
4-player squads with mixed faction composition during peak hours (7-10 PM) deliver a 200-300% boost through shared missions. Optimal setup: 2 Zombies (aggressive elimination), 1 Human (Crystal Monster focus), 1 flexible player who adapts to conditions.
How long does it take to farm enough crystals?
December 4 start: 23-34 days of consistent play (two peak Zombie matches daily = 60-90 crystals) reaches the 2,000 conservative estimate. Squad play reduces time through shared rewards. Late starters require a 3-4 hour daily commitment.
Is Vermilion Silence RPK worth the grind?
Yes, especially for F2P players and collectors. It's a limited-edition skin requiring only time investment versus monetary purchase. Post-event exclusivity increases value. The accompanying rewards (Legendary Camo Selection Chest, potential HANK Ultra Skin) create a comprehensive package worth the December-January effort.
