Samael

Samael (死毒之王) is one of the fourteen demonic skills. It is the Ultimate Skill awakened by Ultima during her fight against Damrada of the Imperial Guardians.

Sub-Skills

 * Thought Acceleration (思考加速)
 * Universal Sense (万能感知)
 * Demon Lord's Haki (魔王覇気)
 * Space-Time Manipulation (時空間操作)
 * Multi-Dimensional Barrier (多次元結界)
 * Weakness Identification (弱点看破): Allows the user to find the targets weaknesses and assist in creating a poison tailored to kill them.
 * Death Poison Refining (死毒精製): Allows the user to produce and refine the Death Poison (死毒) skill to match target's lethal dose.
 * World of Annihilation (死滅世界): Unconditionally kills any and all targets with the exception of Ultimate Skill-bearing Spiritual Lifeforms.

Related Arts

 * Bloody Bite (紅蛇死毒手): Ultima concentrates a huge amount of magic power on her spear hand and uses Samael's Death Poison to cover her nails before piercing the target, injecting a lethal dose to them.

Trivia

 * World of Annihilation was sealed away by Rimuru with Ultima's consent due to the danger it poses to the user's allies if not used properly.