| Issue | #70 |
| Published | December 1988 |
| Cover Price | 1.00 |
| Pages | 36 |
| Editing | Bob Harras (editor); Tom DeFalco (editor-in-chief) |
| Characters | Mirage, Cannonball, Wolfsbane, Sunspot, Magik, Warlock. |
| Genre | superhero |
| Pencils | Bret Blevins |
| Inks | Bret Blevins |
| Characters | Magneto, Cannonball, Magik, Mirage, Sunspot, Warlock, Wolfsbane; V: Spyder, S'ym; SC: Lila Cheney, Gosamyr; GA: Sebastian Shaw, Emma Frost, Selene. |
| Synopsis | Something strange is happening in New York City; Gosamyr helps the New Mutants escape; Gosamyr's "family" is revealed; Lila sacrifices herself to save everybody else; Magik teleports the New Mutants and Gosamyr to Limbo, where S'ym now rules supreme. |
| Genre | superhero |
| Script | Louise Simonson |
| Pencils | Terry Shoemaker |
| Inks | Al Milgrom |
| Colors | Glynis Oliver |
| Letters | Joe Rosen |
| Notes | Part 4 of 4. Lila does not die appear in this story; she appears next in Uncanny X-Men #273. |