Sea Emperor Nereus Poseida Water

Max rarity ★5, 3 evolution forms. Skills and Lv99 stats are listed for each form.

Base: Nereus Tideblade (★4)

Active skill: Tidal ShiftConvert Wind tiles to Water ／ 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 4-chain
Cooldown: 18 drops initially, down to 12 drops (Rechargeable)
Leader skill: Chain Master4+ chain damage 1.7× ／ 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 5856 ATK 488 Heal 238

Active skill: Tidal OnslaughtWater damage 2.5× (lasts 2 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 4-chain
Cooldown: 18 drops initially, down to 12 drops (Rechargeable)
Leader skill: Chain Master4+ chain damage 1.7× ／ 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 9370 ATK 805 Heal 297

Active skill: Tidal JudgmentAll merge damage 3.5× ／ Target: every merge that drop (affects the whole party) ／ 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 6-chain
Cooldown: 16 drops initially, down to 11 drops (Rechargeable)
Leader skill: Twin TideWater / Fire ATK 2.2× ／ 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 15972 ATK 1349 Heal 523