"rrrg that smelly magic funk no gud for rats"
Batah moves to back center of room to avoid gas. While moving Batah feels the clinks under his toenails.
"What dis? room metal plates?" Batah looks up at annihilator
"shiney klinks, yesssss, shiney foul smell, met-al not good, not good for druids, no no no, not good for tree rats no"

Batah gains his footing and spreads his toes against the metal focusing on this center of the room where the annihilator is.

Batah attempts to cast "Transmute Metal to wood" focusing on center of room
Roll (5)+24 ={29} if pass 40ft / level = 600ft^2

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Monkey swarm dmg on annihilator = (6)