The Sacrificial Weapon Bug: How Math.floor Inflated Your ER for Months
We discovered a bug in Sacrificial weapon calculations: using Math.floor instead of Math.ceil for the ICD cap. Result? Sucrose lost ~20% ER in Bennett National, and Xingqiu, Diona, and Sayu also showed incorrect numbers. Here's what happened, how we fixed it, and how to check your builds.
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Qiqi 6.7 Buff: From 0 to 4 Particles — The Fix Nobody Asked For (But Everyone Needed)
Qiqi's particle data was stuck at 0 since December 2025. Version 6.7 finally gives her 4 Cryo particles per skill cast via coordinated attacks. We break down what changed, why the old data was wrong for 7 months, and what this means for your Qiqi ER requirements.
Xingqiu & Yelan ER Requirements: The Double Hydro Energy Guide
Master Energy Recharge for Genshin's best Hydro off-field duo. Xingqiu (80 cost) and Yelan (70 cost) need different ER breakpoints depending on team, weapons, and constellations.
Furina ER Requirements: Managing Energy with Teamwide HP Drain
Master Furina's Energy Recharge in every team. Her 60-cost Burst is cheap but her teamwide HP drain mechanics create unique energy dynamics. Learn ER breakpoints for solo Furina, Double Hydro, and healer teams.
Optimize Your Team's Energy Recharge
Use ER QuickCalc to calculate precise ER requirements for your team composition.