Nearly Unkillable

[Esprit15]

What are some of the hardest to kill creatures in 3.5 and 3.P? Whether it was because a DM played them well IC, or just looking at their stat block, what things do you look at and think "Ugh, we'll have to kill that?"

This is assuming in comparison to a normal setting, not TO wizards and CoDzilla.

[Sacrieur]

In Pathfinder the Tarrasque, since it doesn't explicitly say a Wish spell can kill it. In fact, I don't think there's any official Paizo source which has something that can.

[Uncle Pine]

Take any creature with fire and acid immunity and swap two of its feats with Toughness (PHB) and Troll-Blooded (Dragon #319), or take any random creature that doesn't look blatlantly vulnerable to fire and/or acid and swap two of its feats with Toughness and Troll-Blooded. Watch your players shudder the first time they see that their enemies keep not dieing for some unknown reason.
Remember that regional prerequisites can be bypassed with 2 ranks in Knowledge (that region). Or you can just slash them, as many DMs do.

[Inevitability]

Prismatic Dragons. :smalltongue:

Ghosts, seeing a sufficiently powerful one just keeps popping up again. Have its final desire be something impossible.

[John Longarrow]

Evil Overlord.

Look for the evil overlord lists. Any badguy who takes those to heart will be almost immortal since most characters won't get a chance to actually fight them.

Nastiest badguy I've got is an epic level expert. Rary the Trader. He discovered a power far greater than magic a long time ago... MONEY. He buys what ever he needs to win. Not easy to get to since he's been trading across the planes and has a LOT of people who owe him. Kinda hard for anyone to survive facing off against an evil mastermind who can put a million gp bounty on their head.

[Forrestfire]

I'd say that the hardest creatures to kill in D&D 3.5 are either greater deities with good portfolios (free action actions in each round, many spells on hand at any time, better wish at-will, minions galore) or great wyrm Time Dragons (infinite time stop, epic spellcasting, massive amounts of hit dice and feats, and true time travel).

[MaxiDuRaritry]

In Pathfinder the Tarrasque, since it doesn't explicitly say a Wish spell can kill it. In fact, I don't think there's any official Paizo source which has something that can.There are a few ways to kill it (by removing its regeneration, for instance), but it's not that hard to permanently disable it in a way that's impossible for it to overcome. Dunking it in quintessence, for instance, or plane shifting it into a demiplane it can't escape.

[ZamielVanWeber]

Well built of the nastier dragons. Solid casting, wide of variety spells to draw from, breath weapon, mobility, and natively can draw off a wide variety of strategies depending on how your DM assigns feats and skills.

[Quertus]

PCs. They just keep coming back - either by being resurrected, or by looting the bodies of the fallen, and recruiting replacements from a seemingly endless pool.

[MisterKaws]

Protean, they're basically invulnerable unless you kill them before they've even seen you, good luck with going unseen by something with mindsight AND an antimagic field that excludes itself.

[Lagren]

That Damn Crab.

[MaxiDuRaritry]

Incorporeal creatures in a low magic world. It's literally impossible to affect them without access to magic.

[Madara]

Dry Liches: Now with even more soul-hidey places! :smallwink:

[Forrestfire]

Protean Scurges, because WotC forgot to limit their Split ability. They can have as many copies of themselves as they want, banked away or running around doing whatever. As long as they don't all fight you at once, it's near-impossible to kill a given one. Even divine intervention won't work, if it has some of its selves chilling in Sigil.