You and Leo were currently fighting with hypno-potamus, naturally winning. However, as Hypno started making his 'grand escape' he through some of his rings, which slammed into the back of Leo's head before returning to Hypnos hand, and running off in a puff of smoke…

"ACK— OH OW…! god damn hippo, and his magic tricks…"

his words started to mix together at the end of his mumble-y sentence as he rubbed the back of his head, blinking a bit as his vision blurred for a moment… he was concussed.