Too many things use O2S tokens and there's not enough use for O4S tokens. O3S will also become underutilized once 4.1 gives us other ways to get glazes and twines. Simple fix: add an option to buy glazes with O1S tokens, and let us trade in tokens from later floors for tokens from previous floors so that there continues to be a reward for doing the harder fights even after you don't need any gear from them.