"The Quality of Hatred!"
Proteus unleashes the full scale of his powers upon the X-Men. Wolverine, especially is unsettled by the experience, and for the first time his team-mates detect real fear in his voice. Cyclops has to goad him back to his belligerent best.
Moira MacTaggert visits her estranged husband, Joe for the first time in twenty years to inform him that a) he has a son and heir, and b) this son is coming to kill him.
The X-Men locate Proteus in Edinburgh city center too late. The son and father united in one body make the malevolent Mutant almost invincible.