Relics
Gear sets in Honkai: Star Rail — 4-piece Cavern sets and 2-piece Planar Ornaments
Scholar Lost in Erudition
Cavern2pc: CRIT Rate +8%
4pc: Skill and Ultimate DMG +20%. After Ultimate, Skill DMG +25% for 2 turns.
Pioneer Diver of Dead Waters
Cavern2pc: DMG +12% to debuffed enemies
4pc: CRIT Rate and CRIT DMG scale with number of different debuffs on target (max +48% CRIT DMG)
Prisoner in Deep Confinement
Cavern2pc: ATK +12%
4pc: For each DoT on enemy, CRIT DMG +6% (max 3 stacks = +18%)
The Wind-Soaring Valorous
Cavern2pc: ATK +12%
4pc: Follow-up attack CRIT DMG +36%. After follow-up, CRIT Rate +12% for 2 turns.
Iron Cavalry Against the Scourge
Cavern2pc: Break Effect +16%
4pc: Break Effect +8% more. If Break Effect ≥ 150%, Fire Break DMG ignores 15% DEF.
Thief of Shooting Meteor
Cavern2pc: Break Effect +16%
4pc: Break Effect +16% more. After Ultimate, restore 3 Energy.
Lushaka, the Sunken Seas
Planar2pc: ERR +5%. If equipping character is not the first in turn order, first ally ATK +12%.
Space Sealing Station
Planar2pc: ATK +12%. If SPD ≥ 120, ATK +12% more (24% total)
Izumo Gensei and Takama Divine Realm
Planar2pc: ATK +12%. If same-element ally present, CRIT Rate +12%.
Fleet of the Ageless
Planar2pc: Max HP +12%. If SPD ≥ 120, all allies ATK +8%