This is kinda strange, but when I was looking in the manual of SRB2 I found an image of an unused sprite in the game, namely this:
What is it doing in there?

What is it doing in there?
sasuketo uzuchihamaki said:It used to be the toxic/underwater shield in 1.08.
Dark Warrior said:Which is redundant, as the Blue Shield does that.
FSX said:Dark Warrior said:Which is redundant, as the Blue Shield does that.
But, as of 1.09.4, it does not protect from toxic.
Draykon said:A-and, where did you here that?