I believe it was Return to the Temple of Elemental Evil where the party found an altar to Moradin that was carved out of emerald or something. Stone Shape to get it up from the floor, Animate Dead to have a quartet of Ogre Zombies carry the thing out of the dungeon...
The party never even considered leaving it there.
When it was suggested that it might be blasphemous to rip up an altar and carry it off as loot, the party Cleric said, 'Right, like we're going to leave an altar to the LG god of dwarves here in the temple of elemental evil! Clearly we've got to return it to the dwarves, and I'm sure there will be some sort of reward...'
The party never even considered leaving it there.
When it was suggested that it might be blasphemous to rip up an altar and carry it off as loot, the party Cleric said, 'Right, like we're going to leave an altar to the LG god of dwarves here in the temple of elemental evil! Clearly we've got to return it to the dwarves, and I'm sure there will be some sort of reward...'