Btw, skills are fairly weak.
But grenades are too overpowered. Also I managed to beat the corroded frogs battle by miraculously, having them attack 2 to 3 of my lvl 1 characters so the damage spread out(instead of 1 getting hit). Then I used ranged attacks(lizard breath: archer, mage, etc.) and then I could've only won the battle by using grenades and stun spells. Sadly, I missed the stun arrows in the carton before entering the area.