The circumstance in which
the user's latent powers activate upon death. Variation of Conditional Power. Related power to Resurrection Empowerment.
Post-Mortem Power Activation
The user is either capable of continuing to use their powers to affect the world after they've died or they possess a power that activates after their death. In some cases, the activation of their power post-mortem also
resurrects the user back with their full or greater power.
User may only be able to activate certain abilities after their death.
User may have less/no control over the abilities activated after their death.
Users of any form of Resurrection may be able to cancel post-mortem abilities by reviving the user.
Death Activated Super Power
Whenever Mitch Shelley/The Resurrection Man (DC Comics) is killed, he returns to life with a new power that correlates in some way to his death.
Having eaten the
Revive-Revive Fruit/Yomi Yomi no Mi, Brook (One Piece) was able to come back to life once...
...though he has several other new abilities and powers thanks to his status as an animated skeleton.
that Albert Wesker (Resident Evil) injected himself with did not activate until after he let himself be killed by the Tyrant.
Dead Girl's (Marvel Comics) metagene did not activate until her demise.
Notorious B.I.G. (JoJo's Bizarre Adventure Part V/5: Golden Wind/Vento Aureo)