Grenade Bomb is a Limit Level 2 ability for Barret, obtained after killing 80 enemies while in Limit Level 1. It inflicts non-elemental damage to all enemies equal to 33⁄8 times normal damage if there is only a single target, less if there are more enemies.
Grenade Bomb is a ground physical Bravery attack for Laguna, obtained at the start of the game. It requires 30 CP to equip (15 when mastered), 90 AP to master, and has Ranged Low priority. Laguna tosses a grenade that explodes on contact, and Can tap up to two additional times to boost distance.