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Mega Evolution

Mega Slowbro

Shell Armor completely blocks critical hits — opponent strategies built around guaranteed crits or crit-boosted moves simply fail against this Pokémon.

waterpsychic

Requires: Slowbronite

New ability

Shell Armor

Prevents all critical hits against this Pokémon. A critical hit normally deals 1.5× damage and ignores defensive stat drops. With Shell Armor, none of that applies — all incoming damage is calculated normally, including against any stat drops on Slowbro.

Mega Slowbro is a tank built for Trick RoomTrick RoomstrategyFor 5 turns, slower Pokémon move first. Reverses the entire speed game — a strategy that builds teams around very slow attackers.Click to read more → teams. Its defensive stats are excellent (95/110/110), and Shell Armor means it can never be crit — an important property for a Pokémon that often stays on the field for many turns under Trick Room. Its base 30 Speed is one of the lowest in the game, which is exactly what Trick Room teams want: under Trick Room, the slowest Pokémon moves first.

At 150 base Special Attack, Mega Slowbro hits hard. Scald (Water STABSTABmechanicSame-Type Attack Bonus: a move deals ×1.5 damage when its type matches one of the user's types.Click to read more → with 30% burn chance) and Psychic (STAB) are its main attacks. The burn chance from Scald is particularly valuable — burning a physical attacker halves their Attack for the rest of the battle.

Trick Room anchor

Mega Slowbro’s role is to sit under Trick Room and deal steady damage while being nearly impossible to KO. With Calm Mind (which raises Special Attack and Special Defense), it can become even more powerful over multiple turns. Shell Armor ensures critical hits can’t strip away the defensive stat boosts it accumulates.

Weaknesses