The Great Builder's Certificate is one of the most coveted items in Zenless Zone Zero. With it, a player can choose an A-Rank W-Engine of their choice—a significant thing because W-Engines significantly boost character performance. A Great Builder's Certificate is a high-end reward that is found in the game's New Eridu City Fund, the Battle Pass equivalent of ZZZ.
How to Get It:
Buy the Battle Pass – Growth Plan Tier: Unlocks higher-tiered rewards (such as paid Battle Passes elsewhere).
Level to Level 30 in the Battle Pass: Earn EXP via daily, weekly, and seasonal missions. You do not get the certificate directly—it unlocks when you get there.
Claim the Certificate: Use it to pick from a handpicked menu of A-Rank W-Engines rather than utilising RNG (gacha).
A-Rank W-Engines You Can Pick
Cannon Rotor: Ideal for ranged attackers.
Six-Shooter: Boosts burst damage on units.
Electro-Lip Gloss: Ideal for support or utility units.
Unfettered Game Ball: All-around engine that is very versatile.
Spring Embrace: Ideal for defence or healing builds.
It is one of the best ways to power up your units without entirely depending on gacha luck. For free-to-play players who can afford to spend money or low-spenders, this is a wise long-term investment.
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