New KMS Party Quest

the UNKNOWN monster is called head of a soultail

here are the stats
Level: 160
HP: 55,000,000
MP: 43,000
Weapon Attack: 980
Weapon Defense: 1,050
Magic Attack: 640
Magic Defense: 1,650
Accuracy: 250
Avoidability: 18
EXP: 2,317,150

and thats not the boss its just PART of the boss
thx