Best Yin Rune Build in Legends Reborn: Last Battle

To maximize Yin's burst damage in Legends Reborn: Last Battle, equip a 4-piece Critical Damage set paired with a 2-piece Critical Rate set. Yin operates as a single-target burst assassin whose skill multipliers depend on landing critical hits to eliminate high-value targets before enemy supports and tanks can deploy barriers or crowd control.

Best Rune Set Combinations

Choose your rune set combination based on your current rune inventory and your team's turn-order support:

Set Combination	Best Use Case	Primary Advantage
4-Piece Critical Damage + 2-Piece Critical Rate	Optimal Build (All Modes)	Provides the highest single-target burst ceiling when abilities land critical hits.
4-Piece Attack% + 2-Piece Critical Rate	Early-to-Mid Progression	Raises baseline damage across all skills if you lack high-tier Critical Damage runes.
4-Piece Critical Damage + 2-Piece Speed	Contested PvP Brackets	Ensures Yin acts before opposing buffers and disablers when running without turn-meter supports.

If your squad includes turn-meter boosters or crowd controllers such as Winden or Revna, keep the pure damage setup (4-piece Critical Damage + 2-piece Critical Rate) and let your supports secure turn priority.

Primary Stat Priorities by Rune Slot

Lock in the correct main attribute on variable slots (2, 4, and 6) before heavily investing upgrade resources.

Rune Slot	Recommended Primary Stat	Tactical Justification
Slot 2	Speed or Attack %	Run Speed for competitive PvP; run Attack % for campaign stages and PvE boss trials.
Slot 4	Critical Damage %	Scales active skill multipliers directly whenever an attack lands as a critical strike.
Slot 6	Attack %	Scales baseline ability damage, bleed effects, and execute thresholds.
Slots 1, 3, 5	Flat Attack, Flat Defense, Flat HP	Fixed primary attributes; prioritize offensive secondary substats on these pieces.

Always secure Critical Damage % on Slot 4. Yin lacks prolonged sustain and defensive utility, making quick eliminations necessary to reduce incoming team damage.

Substat Priorities and Benchmarks

Upgrade rune pieces that roll multiple offensive substats, prioritizing attributes in the following order:

Critical Rate %: Your immediate benchmark is reaching 70% to 75% Critical Rate across all equipped runes and gear. Without this baseline reliability, Critical Damage investment yields inconsistent results.
Critical Damage %: Once your Critical Rate reaches the 70%–75% range, invest all remaining upgrade rolls into Critical Damage to raise your burst ceiling.
Attack %: Increases base scaling across all offensive abilities.
Speed: Adjusts turn order to ensure Yin attacks before enemy defensive barriers trigger.
Armor Penetration / Pierce: Bypasses late-game campaign enemy armor values.

PvE vs. PvP Adjustments

Campaign and Boss Trials (PvE): Enemy turn order is predictable, allowing frontline tanks to absorb incoming hits. Equip Attack % on Slot 2 and focus secondary rolls on Critical Damage, Attack %, and Armor Penetration to burn through large boss health pools.
Arena and Guild Wars (PvP): Speed determines match tempo. If Yin is slower than opposing disablers, stuns or silence effects can shut down your damage carry. Equip Speed on Slot 2 and target Speed substats across your fixed slots to secure the opening turn against enemy damage dealers.

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Emily Johnson

Emily writes practical mobile strategy guides with a focus on resource planning, base progression, and the early decisions that shape a long-term account.