It's all in the title: The final battle of the X-Men's Krakoan age begins in 'Fall of the House of X' and 'Rise of the Powers of X'!
by dugan for fall of house of x and gillen for rise of the powers of x
more info at Marvel NYCC
Glad gillen is here for rise of x after the fall can't wait to know more, and I hope he continues immortal after that, duggan who will conclude that he started with fall of x it's logical.
the twitter link https://x.com/Marvel/status/1704164647820005803?s=20