Raid Boss reward chance is reduced based on the level difference.
Boss is higher: +5 - 85%, +6 - 70%, +7 - 50%, +8 - 35%.
Player is higher: +6 - 85%, +7 - 70%, +8 - 50%.

If player is 9 or more levels higher, Raid Curse is applied.

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.

Takes 15% increased damage from attacks that are effective against Beasts.

Critical Damage +7.5%
Atk. Spd. +5%
Speed +5
Resistance to Derangement +20%
Resistance to Sword +10%
Resistance to Dual Sword +10%

Resistance to Bleed -10%
Resistance to Dagger -10%
Resistance to Dual Dagger -10%

Normal P. Def. and Evasion.

Two-handed Blunt Weapons