-I haven't designed it yet, but I do think of her having a tank of oil accessible thru her mouth to quench pieces. That's mostly used for demonstrations for the public- she prefers to use a non-connected tank most of the time.

Fun facts about her btw
-The chains on her head were added by her over time. She likes the sound they make.
-Her metal is unpainted- that'd react poorly to her heat, and you never paint an anvil. it's all oil coatings and bluing!