If the person who made the greatest contribution is 3 or more Lv.s higher than the raid monster, then the item/Adena rewards will decrease. If the difference is 9 or more Lv.s, the monster will drop nothing at all.

Sailren, an enormous, vicious and dangerous dinosaur who inhabits the Primeval Isle, was sealed inside the Lost Nest ages ago by Shilen and the ancient Elrokian warriors.

Generally considers humans as food. Classifies attacking animals as monsters. This also includes chimeras that have fused more than 2 types of cells, as well as other fantasy creatures from mythology.

Strong P. Def. and weak Evasion.