Oliver stirred 10 times counter clockwise and counted backwards from ten. "Three...Two..One." Then it was time to stir clockwise. "Five.. Four.. Three.. Two.. One" He added in the cherries and then the glitter? Glitter seemed like an odd thing to help you be invisible but clearly he knew nothing anyway.

He turned back to Katy. "I think i'm doing okay.. " He turned off his heat as well on his cauldron and added the leaves carefully so as not to create a splash. "Yeah, thanks." She knew if it was something she wasn't good at that he was that he'd help her.. Though he didn't know a subject he was great at that she couldn't hold her own on.

The Slytherin payed close attention to what Katy was doing and how she was doing it. He carefully followed, dipping the wings and shaking off the extra tincture. His were sloppier for sure but they were added into the potion regardless.