The Mantis [Elite] is a greenland Elite mob that automatically spawns in the low-level area. It doesnt have that much health anyways.
A Green Land mob that appers somewhere near x247, y322 and x508, y108 and some other places. Everytime it spawns, it will spawn some Minion green mantis too.
It has a chance to turn into a Varient Mantis when killed. The Varient Mantis is a little bit harder and also has a Chance to drop Rare pet eggs.
Once killed it will drop Iron ore, Shoddy Cloth, Minnow, Wild Chicken and pet eggs.