A common tool of necromancers, nether mages, and others who are privvy to the arts of the dead and undead
A simple way to a fate most dreadful.
A wet brown sack… FULL OF MAGGOTS!
As they travel they notice a horrible rotten smell. As they travel it gets stronger and stronger forcing them to cover their noses and mouth less they choke on the horrible smell.A small goblin tribe preparing a wedding feast. The wedding is between two tribes as a gesture for peace, if the PC's intefere, feirce fighting could break out.