- Script
- Chris Claremont
- Pencils
- Dave Cockrum (loose blue pencils); Joe Rubinstein (credited as Josef Rubinstein) (finished art)
- Inks
- Joe Rubinstein (credited as Josef Rubinstein)
- Colors
- Glynis Oliver
- Letters
- Janice Chiang
- First Line of Dialogue or Text
- I don't believe this.
- Genre
- superhero
- Characters
- X-Men [Professor X; Storm; Wolverine [Logan]; Angel [Warren Worthington III]; Colossus; Nightcrawler; Sprite [Kitty Pryde]]; Spider-Woman [Jessica Drew]; Dazzler; Banshee; Siryn [Theresa Rourke]; Moira MacTaggert; Illyana Rasputin; Cyclops; Lee Forrester; Stevie Hunter; Caliban (introduction); Magneto (cameo)
- Synopsis
- Angel leaves the X-Men because he doesn't like Wolverine. Banshee discovers Siryn is his daughter. During a girls night out, Caliban tries to kidnap Kitty. Cyclops and Lee arrive at Magneto's ocean fortress.
- Reprints
- in Essential Spider-Woman (Marvel, 2005 series) #2 [black and white]
- in Spécial Strange (Editions Lug, 1975 series) #38 (10 décembre 1984) [Moins/Minus 1 page]
- in Superaventuras Marvel (Editora Abril, 1982 series) #51 (8 de Setembro de 1986) [Do original, falta a página 2.]
- in Die Gruppe X (Condor, 1985 series) #10 (1987)
- in L'Uomo Ragno (Edizioni Star Comics, 1987 series) #32 (15 Settembre 1989), #33 (30 Settembre 1989) [part 2]
- in X-Men Classic (Marvel, 1990 series) #52 (October 1990)
which is reprinted- in Essential X-Men (Marvel, 1996 series) #3 (July 1998) [black and white]
- in Marvel Masterworks: The Uncanny X-Men (Marvel, 2003 series) #6 ([January] 2008)
- in Marvel Gold. La Imposible Patrulla-X (Panini España, 2011 series) #3 - Vs. Magneto (Noviembre 2012)
- in The Uncanny X-Men Omnibus (Marvel, 2006 series) #2 (2014)
- in X-Men Epic Collection (Marvel, 2014 series) #8 - I, Magneto (2021)
Interior art information provided 2006 by Dave Cockrum.
Magneto seems to be living in something similar to the Lovecraftian sunken island/city of R'Lyeh.