The final damage number of George’s combo was 15 damage to each unit in the area.

Sage’s Elixir adds 3 to the Brains stat for one turn.

Goblin Gunpowder adds 2 damage to the next Explosive-type item’s damage.

The Doom Witch Grenade deals explosive damage equal to the player’s Brains stat plus 2.

What is the base level Brains stat of George’s character?