- This monster is the cover card for Dark Crisis.
- The ATK of this card is equal to the combined ATK of the "Forbidden One" monsters.
- Although it remains a Spellcaster, this can be considered an "undead" or "Zombie" version of Exodia.
- "Nekrós" (νεκρός) translates to "dead" (adjective) or "corpse" (noun) in Greek.
- It also requires all "Forbidden One" monsters to be in the Graveyard.
- Several Zombie counterparts have 0 DEF, similar to this card.
- This card's artwork is taken from Yu-Gi-Oh! Duel 39: "Endgame!!", specifically from the panel showing "Exodia the Forbidden One" completely Summoned.
- While this card is just an Effect Monster in the real card game, its anime counterpart was a Ritual Monster. The anime version of this card also had different effects compared to the card version in real life, resulting in the real card version being weaker/more restricted than its anime counterpart.