Wood trolls maybe a bit hard than other Mobs. its damage maybe like a gold sword or diamond. Also when hitting Wood the trolls will eat the wood and it give a heal. Drops 300 wood when killed.
Stone trolls are stronger than the wood ones. They have more health and damage. They also heal when eating stone. Drops 300 stone when killed.
Gold trolls are very tough and hard to kill. Its damage is tougher than diamond sword. These trolls are a bit rare to find, and also eat gold to heal. Drops 300 gold.
Diamond trolls are very tough its has highest health than all the other trolls. You should fight these only if you are a high level player or in a good group. This monsters very rare to find because it's DIAMOND. Gives 300 Diamond when killed.