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 10% 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 Swords +10%

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

Two-handed Blunt Weapons

Slows down the speed of a user who is riding a strider.

Temporarily immobilized.

You have been cursed by a Guardian Spirit. No magic or P. Skills can be used at this time. This curse befalls those who attempt to challenge a raid boss who is 9 or more Lv.s below their own, or those who do not meet the requirements for the raid. The curse is irreversible.