ok, so.
1. hitboxes GODAMN HITBOXES. The attack is too short and when I jump over enemies, i'm just teleported down and get hit.
2. you can't attack those air balls or whatever, which is kinda annoying. Just gotta jump straight up while they pass underneath ya.
3. you can't attack upwards, which makes the bats really fraking hard.
4. INVULNERABILITY IS NOT A THING. I still get damaged while blinking.