Poison throughout Final Fantasy

[Fiero Firestorm]

Does anyone have definitive proof [in other words, proof I can show to people, such as at http://www.returnergames.com/] that proves Poison does inverse damage to undead? [I already gave them two links to Wolfmah's FF6 spells section, so you don't need to go THERE...] Help would be greatly appreciated.

[Flying Mullet]

Do you have an emulator with Final Fantasies? If you do, cast poison/bio on an undead enemy and when the green healing amount or what not shows up on the enemy take a screen shot.

[Big D]

Poison doesn't heal the undead, as far as I'm aware, only opponents (or characters) with better than 100% resistance to poison.

Many undead enemies are also strange/dark monsters, which might explain their absorption of poison... but it's not a universal trait of the undead.

Though I could be wrong...