"It appears to have some form of strange regeneration, I suppose it behooves us to test all the damage types in our repetoires on it while its down."
So saying Thadeius chants, "Ekate ot tanw I mrof yna ekat tel ekar mekcar mekcar mekir!"
In the blink of an eye he transforms into a huge golden dragon and breathes fire upon, the corpse, then a huge silver dragon that breathes cold, then a huge copper to breath acid, then a huge bronze to breath electricity. He continues, observing the corpse as he does so, until he discovers an energy type that stops the regeneration, or until he has tried them all.
[sblock=Wouda worked on a metal troll]
Not a problem with that knowledge he simply won't cast it.
Regeneration does not prevent a creature becoming helpless, nor does it prevent a corpse becoming an object - so technically Fabricate would work fine on a metal troll, lol.[/sblock]