The four looked quite ferocious, and William could recognise these spirits from first glance. "This is indeed bad," these spirits were infamous for the big variety of elements they supported. They were all spirits of dark masters, and quite special ones on top of that.
Seeing such four standing outside, gathering up their power and hammering the shield protecting this lair made William sure this was going to be super hard to stop them.
"Don't panic, as long as we are here, they can't do anything," the golden spirit paused, "but alone I can't do anything. I need your help."
"How?" William pointed at himself, "can't you see? I'm in special shape and mode right now."
"I know, but if that fox prepared for you to come and hold his castle, then he must have left something for you to use in such a state," the golden spirit paused, "I believe you can use your techniques right now, right?"