Pielorinho
Iron Fist of Pelor
Femerus the Gnecro said:second edit: sort of a rant to those above: would you PLEASE actually read the MM entry? The Tarrasque doesn't take normal damage from ANYTHING. This includes acid, sneak attack damage, GMW spells, +15 arrows of exploding, etc.
"Pride goeth before a ...." how does that saying end again?

The tarrasque doesn't take normal damage from ANYTHING, you're right. It takes subdual damage, however, from a lot of things -- including acid and +5 weaponry. If you can do more than 40 points of damage to it per round, you'll eventually get it down to -30 HP, in 870/(avg damage-40) rounds.
So right back atcha with that rant of yours.
Of course, I may need to apologize to The Jester. I ran some numbers, and I can see a way that a 12th-level cleric could take out the Tarrasque. The circumstances are pretty specific, but it is possible.
First, the party wizard would need a wand of GMW cast at 15th level. Cost: 33,750 gp. Pricey, but possible.
(Alternatively, the cleric could have prepared GMW seven times while breathing in incense of meditation).
Second, the cleric should have created 300 +5 arrows and a +5 bow ahead of time with his spells, or else the mage should be standing by to use the wand as needed.
Third, the cleric should have a dex of 28. Elvish cleric starts with a dex of 20, pumped up to 23 by level increases, pumped up to 28 by cat's grace.
Fourth, the cleric should have weapon focus: bow.
Fifth, the cleric should have divine power running (or whichever spell gives you a fighter's BAB and strength)
Sixth, the cleric should a total of +4 bonuses from other sources.
Seventh, the cleric should have the feat rapid shot.
Eighth, the cleric should have a +4 mighty composite longbow.
Given that setup, the cleric should be able to get off three shots/round, two of which hit 95% of the time and the third of which hits 75% of the time; each shot will do about 18.5 points of damage. The cleric will average around 50 points of (subdual) damage per round.
The tarrasque will heal back 40 of those points each round, thanks to regeneration. But 87 rounds later, it'll be at -30 hp, and the cleric can cast wish.
Darkjester, is that what happened? That's the best way I can crunch the numbers.
(Note that I don't calculate point blank shot into these figures; I'm assuming that the cleric isn't gonna fly within 30' of the tarrasque)
Daniel
Daniel