ZZZ Residual Signal Shop: Encrypted Master Tapes vs. W-Engines – Which One Wins?
Buffget
2025/12/29
Quick Take: Go heavy on Encrypted Master Tapes (20 Residual Signals apiece) for endless limited banner pulls. Skip S-Rank W-Engines (600 Signals) unless desperate. Key grabs: Fusion Compiler, Hellfire Gears. Stack order: Tapes > Engines > A-Rank Agents. F2P folks pull in 300-600 Signals monthly; milk Exclusive Channel pity, ditch regular Tapes. (48 words)
Diving into the Residual Signal Shop
So, What's This Shop All About?
Picture this: Residual Signals trickle in from dupes of A-Rank+ Agents or W-Engines during non-Bangboo Signal Searches. Hit the Exclusive Tab, and you're golden—unlimited Encrypted Master Tapes at 20 Signals each, S-Rank W-Engines for 600, even A-Rank Agents at 140. Shop resets fresh at the month's kickoff, with daily and weekly caps to keep you grinding. F2P? Expect 300-600 Signals a month, translating to 15-30 Tapes. Solid haul.
Here's how to make it happen:
- Knock out daily Signal Searches, chasing those A-Rank+ pulls.
- Snag Residual Signals from every dupe.
- Go bulk-buying right at monthly reset.
Finding It in New Eridu
Fire it up from Main Menu > Store, or tap that lower-left button in Signal Search. Flip to the Residual Tab—don't mix it up with Fading (B-rarities and Bangbucks). Fading caps you at 5 Encrypted Tapes monthly for 90 Fading Signals; Residual? No limits, baby.
Quick access:
- Main Menu > Store.
- Residual Tab.
- Eyeball your Signal stash.
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Cracking Encrypted Master Tapes
The Lowdown on These Tapes

At 20 Residual Signals a pop, Encrypted Master Tapes are unlimited fuel for Exclusive Channel (50/50 S-Rank Agents, 0.6% base rate, hard pity at 90) or W-Engine Channel (75/25 S-Rank split). Scoop 600 Signals? That's 30 Tapes—roughly 3 ten-pulls to flirt with soft pity around 75.
Your moves:
- Lock onto limited S-Rank Agents in Exclusive.
- Hoard 180+ Tapes for that guarantee.
- Pull hard before the banner ghosts.
Powering Up Agents and Selectors
These bad boys stack pity for limited S-Ranks—steer clear of regular Master Tapes on the permanent Stable Channel. Thirty Tapes? You're rolling multi-S-Rank shots, not scraping one Engine.
Play it smart:
- Scope the limited banner calendar.
- Bulk-buy Tapes ahead.
- Exclusive Channel only.
Breaking Down W-Engines
W-Engine Crash Course and Ranks

S-Rank W-Engines hit you for 600 Residual Signals—straight 30 Tapes worth. They shine in niches: Anomaly, Stun, Attack, Support.
Standouts:
- Fusion Compiler (Anomaly): +12% ATK, +25 Anomaly Proficiency.
- Hellfire Gears (Stun): +0.6/s Energy Regen, +10% Impact for 10s.
- The Restrained (Stun): +6% DMG per stack (max 5).
- Steel Cushion (Attack): +20% Physical DMG, +25% behind DMG.
- The Brimstone (Attack): +3.5% ATK per stack (max 8).
- Weeping Cradle (Support): +0.6/s Energy Regen, +10% DMG for 3s.
Gear up:
- Scan your teams for gaps—like Hellfire Gears if Stun's weak.
- Grab post-Tapes.
- Slap 'em on, level 'em up.
Leveling and Dupe Perks
Buy direct, dodge the W-Engine Channel's 75/25 RNG nightmare. Dupes? Auto-convert to Signals. They're always there—unlike Tapes tied to banner hype.
Loop it:
- Farm dupes on regular pulls.
- Cash 'em for Signals.
- Fill those team holes.
Tapes vs. Engines: The Showdown
Bang for Your Signal Buck

Tapes: 20 Signals for S-Rank RNG shots. Engines: 600 for a locked-in S-Rank—30 Tapes' worth, or ~3 ten-pulls. Data shows Tapes edge out long-term for limited Agents; Engines plug instant holes. With F2P's 300-600 Signals/month, that's 15-30 Tapes vs. one Engine. No contest.
Crunch it:
- Signals ÷ 20 = Tape tally.
- Stack against 600.
- Tapes win—unless that Engine's make-or-break.
Patch Meta Vibes
Tapes rule for chasing limited Agents. But snag Fusion Compiler if Anomaly's dry, Hellfire Gears for Stun voids. Agent hunters? Tapes first. (Editor note: I've seen too many squads flop without solid Stun—Hellfire's a meta savior right now.)
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F2P Grind vs. Whale Flex
F2P: Dump everything into Tapes, plus 5 Fading Tapes/month for 1-2 guarantees over one Engine. Whales? Tapes, then Engines once roster's stacked.
F2P blueprint:
- Daily non-Bangboo Searches.
- 100% Tapes.
- Stockpile across patches.
Your Buy Blueprint: Tapes or Engines?
Step-by-Step Spend Guide

Priority lock: 1. Encrypted Master Tapes (20 Signals). 2. S-Rank W-Engines (600). 3. A-Rank Agents (140=7 Tapes). Hunting limited S-Ranks? Tapes. Roster full? Engines like Hellfire Gears. Scraps? A-Ranks last.
Execute:
- Residual Tab.
- Tapes x your stack.
- Rinse at monthly reset.
Audit Your Account
Signals over 600, no banner? Engines if gaps scream. Banner live? All-in Tapes. Tier list check:
- Stun drought: The Restrained.
- Next banners looming: Tape hoard.
Pitfalls That'll Wreck You
Dupe Traps and Impulse Kills
Don't blow on regular Master Tapes—no limited access. Skip early A-Ranks (free ones abound). That 600-Signal Engine whim? Brutal. Forget monthly reset? You're cooked.
Quick fixes:
- Encrypted Tapes only.
- Hoard 140 Signals=7 Tapes.
- Bulk before banners drop.
Banner Blindness
Tapes tank post-banner; Engines stick forever.
Stay sharp:
- Track Exclusive/W-Engine Channels.
- Weekly dupe farms.
- No non-Encrypted wastes.
F2P Hacks and Shop Loops
It's a cycle: Pulls → Dupes → Signals → Tapes. Pairs with Fading's 5-Tape limit. Shoot for 180 Tapes per guarantee. After Tapes? Weeping Cradle for Support. Reset monthly—refresh, rebuy. Unlimited Residual, pure gacha focus—no dev mats.
FAQ
Are Encrypted Master Tapes a must-buy in ZZZ's Residual Signal Shop?
Hell yes—top dog at 20 Signals for unlimited limited pulls. 30 Tapes match one Engine's cost but pack way more S-Rank punch.
W-Engines over Tapes in ZZZ?
Nah, Tapes lead unless you've got a glaring meta hole like Stun (hello, Hellfire Gears). 600 Signals=30 Tapes forgone.
Best Encrypted Master Tape play in Zenless Zone Zero?
Exclusive Channel pulls to hit 90-pull S-Rank pity. Stockpile for guarantees.
Residual Signal Shop refresh rate in ZZZ?
Full wipe at month start; daily/weekly caps.
F2P priorities for ZZZ Signal Shop?
- Encrypted Tapes. 2. Engines if desperate. 3. A-Ranks. Farm 300-600 Signals/month.
Efficient Residual Signal farming?
Daily non-Bangboo Searches for A-Rank+ dupes; they auto-convert.

