A routine rescue from a no-name villain goes wildly awry as Celestia is flung into the lethal, living nightmare that is Tartarus. No great problem for an immortal, but to Celestia's absolute horror, Twilight has followed her in.
[Prototype 2]/MLP crossover. One of Alex Mercer's Evolved gets sent to Equestria, stricken with an obsession with security, can this untrusting being ever find peace if he does not allow himself to?