Noctaria Umbra, Dusk Bloom Goddess Dark

Max rarity ★6, 3 evolution forms. Skills and Lv99 stats are listed for each form.

Base: Noctaria, Dusk Prism Witch (★5)

Active skill: All SurgeFire/Water/Wind/Light/Dark damage 2× (lasts 4 drops) ／ Target: all members who attack with that element ／ Stacking: damage-multiplier effects do not stack. If several are active at once, only the single highest one applies. It multiplies with your leader and sub-leader multipliers
Trigger: Triggers on 5-chain
Cooldown: 31 drops initially, down to 21 drops (Rechargeable)
Leader skill: Prismatic HarmonyEach element type in your party adds another 0.28× of damage (on top of the base 1×; reaches up to 3× at 8 types) ／ Combining: when the leader and sub-leader share the same effect, their multipliers multiply together. They also multiply with an active skill's damage multiplier (only the single highest one if several are active at once)
Lv99 stats: HP 6648 ATK 781 Heal 356

Active skill: Iris CascadeRepaints the normal jewels on the board across the five elements (Fire, Water, Wind, Light, Dark). Your next chain will merge many different colors, making it easier to satisfy leader skills that scale with the number of element types (any matching neighbors merge on the next drop) ／ Target: the board (the drop/chain itself) ／ Stacking: affects the board. The same type refreshes its duration. It does not change damage multipliers
Trigger: Triggers on 3-chain
Cooldown: 22 drops initially, down to 15 drops (Rechargeable)
Leader skill: Prismatic HarmonyEach element type in your party adds another 0.28× of damage (on top of the base 1×; reaches up to 3× at 8 types) ／ Combining: when the leader and sub-leader share the same effect, their multipliers multiply together. They also multiply with an active skill's damage multiplier (only the single highest one if several are active at once)
Lv99 stats: HP 11700 ATK 1171 Heal 535

Active skill: Iris CascadeRepaints the normal jewels on the board across the five elements (Fire, Water, Wind, Light, Dark). Your next chain will merge many different colors, making it easier to satisfy leader skills that scale with the number of element types (any matching neighbors merge on the next drop) ／ Target: the board (the drop/chain itself) ／ Stacking: affects the board. The same type refreshes its duration. It does not change damage multipliers
Trigger: Triggers on 3-chain
Cooldown: 22 drops initially, down to 15 drops (Rechargeable)
Leader skill: Prismatic GenesisEach element type in your party adds another 1.4× of damage (on top of the base 1×; reaches up to 8× at 5 types) (only on drops that also reach a 6+ chain) ／ Combining: when the leader and sub-leader share the same effect, their multipliers multiply together. They also multiply with an active skill's damage multiplier (only the single highest one if several are active at once)
Lv99 stats: HP 20110 ATK 1945 Heal 941