Knowing the knights.

Patrick the fire knight

Gabrile the Blacksmith knight

Steve the acid knight

Tim the pink Knight

Zane the ice knight

Tikashi the lightning knight

Together they make the Castle crashes. They have known each other for long periods and they swear that they would destroy evil for good.

But the evil wizard and his general necromancer still alive and well except for their army. They are all that's left of Evil but It would be tricky to get them it's only up for the heroes to get the job done.