It's all fun and games till someone steals his stuff!
It's often forgotten Templeton can be scary, since he's normally silly and eccentric. But at the end of the day they're still a cofagrigus, and ghost types gonna ghost type

Thought it'd be fun to style the inside of his sarcophagus like an Iron maiden. I like the idea that they're a literal death trap made to resemble a real cofagrigus shell, due to as a yamask evolving with a counterfeit mask. Something like that. (It's my way of justifying why his mask is upside down, let's see if I retcon it later lol)