Genshin 80-90 Cost Bursts: Why You're Energy Starved

Key Takeaways

• 80–90 Energy Cost bursts now cover a majority of modern DPS units — 30+ characters sit in this tier.
• Weak self-generation forces ER requirements above 200% in many teams, even with strong batteries.
• Team composition moves the number more than any artifact — a battery or Favonius proc is worth several ER rolls.

Why High Burst Cost Characters Struggle

Energy Recharge is a simple ratio: Energy Cost ÷ Energy Generated per Rotation. High-cost characters fail this ratio in three compounding ways:

• High cost: 80–90 Energy means 33% more demand than a 60-cost character.
• Low-frequency skills: many high-cost DPS have 12–15+ second skill cooldowns, so they generate few particles per rotation.
• Off-field catch: burst supports pay the 0.6× off-field penalty on every particle, cutting gains by 40%.

ER QuickCalc's simulations show the practical result: typical ER requirements of 200–260% for these characters unless a dedicated battery joins the team.

Characters With 80–90 Cost Bursts

From the ER QuickCalc character database, these are the units in the top cost tier:

Burst Cost	Characters
90	Raiden Shogun (refund), Yae Miko
80	Xiangling, Xingqiu, Beidou, Kamisato Ayaka, Eula, Shenhe, Kujou Sara, Faruzan, Sucrose, Diona, Qiqi, Jean, Sayu, Baizhu, Dori, Gorou, Kamisato Ayato, Yanfei, Thoma, Razor, Cyno, Charlotte, Yaoyao, Kaveh, Lisa, Traveler (Electro/Dendro/Hydro) and more

Two patterns stand out. First, the 90-cost tier is almost exclusively characters with self-refund mechanics or superb generation (Raiden refunds the team; Yae's turrets generate consistently). Second, the 80-cost tier is full of otherwise excellent units whose ER needs become the team's central build constraint — the "Xiangling problem" generalized.

Worked Example: Raiden Shogun's Own Economy

Raiden's Burst costs 90 Energy — the highest in the game — with an 18-second cooldown. Her Skill (Transcendence: Baleful Omen) generates roughly 1 particle per coordinated hit on a 10-second cycle, which is modest for a 90-cost kit. What saves her is her Burst's refund: after it ends, she restores 15–27 flat Energy to the whole team based on Chakra Desiderata stacks. That refund is flat energy — it ignores the ER multiplier and is applied directly.

Working the ratio: over a ~20-second rotation Raiden self-generates around 10–12 Energy from her Skill, then refunds ~20 more to herself. Required ER ≈ (90 ÷ 32) − 1 ≈ 180% before teammates — but with the Catch's 45.9% ER substat and Emblem's ER-to-damage conversion, she reaches her breakpoint comfortably while still stacking CRIT. Without the refund mechanic, 90 cost would demand 250%+ and her kit would not function. That is the design blueprint behind every high-cost character: refund or battery, or you build 240% ER.

Worked Example: Yae Miko (90 Cost, No Refund)

Yae Miko's Burst also costs 90 Energy, but she has no refund — her energy comes from her 4-second-cooldown Skill, which generates 5 Electro particles per cast. Over a rotation she casts it 3–4 times: ~16 particles, mostly caught on-field at 3.0 Energy each → ~48 Energy. Required ER = (90 ÷ 48) − 1 ≈ 88% — her requirement is genuinely low because her skill is spammable. High cost is not the problem; low generation rate is. Compare Yae (5 p / 4s CD) with Faruzan (2 p / 6s CD, 80 cost): Faruzan's ratio demands 200%+ in every team without heavy funneling.

ER Target Ranges by Team Type

Scenario	ER Target	Notes
On-field hypercarry with same-element battery	130–160%	Catches everything at 1.0×
Off-field DPS with battery (e.g. Xiangling + Bennett)	180–200%	Battery offsets the off-field penalty
Off-field DPS, no battery, Favonius in team	200–230%	Favonius procs cover ~12 flat energy each
No battery, no Favonius, 80-cost burst	230–260%	Emblem set mandatory; ER Sands non-negotiable

How to Fix a High-Cost Character's Energy

• Add a same-element battery first. One Bennett, Shenhe, Kujou Sara, or Kazuha removes ~40% ER from the team's biggest spender.
• Run Favonius on a support. 6 neutral particles (12 flat Energy, team-wide) per proc — the cheapest energy in the game.
• Use Emblem of Severed Fate. It converts the ER you are forced to build into Burst damage, capping at +75%.
• Plan the catch. Swap to the high-cost character before its own particles and the battery's particles land — on-field catch doubles their value.
• Reconsider ER Sands vs. substats. An ER Sands (+51.8%) plus a 30%+ substat weapon usually reaches the 200% tier, leaving circlet and goblet free for damage.

The 60-Cost Meta vs the 80-Cost Meta

Modern unit design makes the cost tier itself informative:

Cost Tier	Typical Self-Generation	Typical ER Need (no battery)	Examples
60	4–5 particles / cast, short CDs	130–170%	Kazuha, Bennett, Fischl, Mona
70	3–4 particles / cast	160–200%	Yelan, Xiao, Xianyun
80	2–5 particles / cast, often off-field	200–240%	Xiangling, Xingqiu, Beidou, Ayaka, Faruzan
90	Refund or spam skill (exception)	140–190%	Raiden Shogun (refund), Yae Miko (4s CD)

The 90-cost tier is only playable because of exceptions — Raiden's team-wide refund and Yae's 4-second skill. The 80-cost tier has no such mercy: it is the tier where energy is a team problem, not a character problem.

Catch Order: The Free 20% ER

Every 80-cost character has a hidden lever: who catches the particles. If your sub-DPS is off-field when the battery's particles drop, each particle is worth 1.8 instead of 3.0 — a 40% loss. Reordering a rotation so the high-cost character is on-field for 2–3 particle drops is worth more than an entire ER Sands in many teams. Plan the swap, not just the build.

Frequently Asked Questions

Are 90-cost bursts always bad?

No — Raiden and Yae are top-tier despite 90 cost because they self-generate or refund. The cost is only a problem when generation rate is low, which is why Xiangling-class characters are the real ER traps.

Is 250% ER on an 80-cost DPS ever right?

Only without a battery. If your team has no same-element support and no Favonius, 230–260% is the honest number — and a team change is usually the better fix.

Does ER% affect flat energy refunds?

No. Raiden's refund, Xingqiu C6, and Favonius particles ignore the ER multiplier. That is precisely why they feel so powerful on high-cost characters.

Calculate Your Team's Real Number

Guessing between 180% and 250% can cost you a whole artifact set. ER QuickCalc simulates your exact team's particle economy — skill casts, catch timing, refunds, and Favonius procs — and returns the precise ER each character needs. Stop overbuilding, start bursting on cooldown.