Shadow Striker

Shadow Striker (隠密者) is Souei's Unique Skill that he gained due to Rimuru's Harvest Festival.

Due to his regret of being unable to stop the attack of the Kingdom of Falmuth's Otherworlder, Souei wished for more combat ability, causing the manifestation of this Unique Skill.

Abilities
It enables him to damage the Spiritual Bodies of his enemies, which allows him to bypass the physical defenses of his target, as well as lets him attack Spiritual Lifeforms who are otherwise immune to physical damage.

Sub-Skills

 * Thought Acceleration (思考加速): Accelerates the users thoughts by up to a thousand times.
 * Ultra Acceleration (超加速): Accelerates the momentum of the user or their attacks.
 * Insta-Kill (一撃必殺): Reinforces the users attacks with the ability to directly damage the spiritual body of their enemies.
 * Espionage (隠密): Conceals the user and their presence, similar in performance to ‘Haze’.