The Skull Reaper

The Skull Reaper was the boss of Sword Art Online Floor 75.

Background
Prior to Kirito and Asuna's return to the Knights of the Blood. A party of twenty-member from five different guilds was preparing for the boss fight until the first ten reached the center of the room causing the entrance to close. The gate reopen five minutes later and neither the ten players nor the boss was seen. Like the previous boss, the battle area was anti-crystal.

Ablilities
Unlike previous bosses before it, the Skull Reaper is able to kill high-level players in a single hit with its scythes like arms and tail