Error can shoot strings and summon 2 characters (one at a time. It's also randomized. Only happens at phase 2.) His blasters do all kinds of stuff.\ Spacebar to slash (it has a short cooldown) H to heal (it has a decently long cooldown)
"Alright, Scratch. This portal will lead to Error Scratch. I wish you good luck in defeating him. It is NOT easy...."