Don't forget, you're also using a heat catalyst in the form of a fire crystal.
What, did you expect a world with magic in it to NOT take advantage such a resource?
People concerned about a variety of items should either learn some inventory management skills or take a look at what happens in their own home IRL if they refuse to throw stuff away.
A limited inventory is something I EXPECT to have to deal with in a game like this, as it adds an extra dimension to the game.
