Monsters that inflict damage can be easily spotted and OSRS gold played with while healers are distracted and then wiped out without doing much healing.
Nibblers
Nibblers are tiny pests who's sole purpose is to destroy any strategy for positioning that involves columns. Once they are born, they be able to move onto a pillar and gnaw at the pillar until it's destroyed.
Pillars are vital to clear...
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