Thunder of Heaven and Earth

Haze of Rumbling Heavens (朧・地天轟雷) is an art used by Gazel Dwargo.

Effects
The user conceals the their presence to the point of not even being detectable by Magic Sense, attacking the enemy from behind with a bottom-to-top slash, followed by a top-to-bottom slash.

Trivia

 * In That Time I Got Reincarnated as a Slime: Isekai Memories, the "Gazel Dwargo [King of an Armed Nation]" unit uses this as a Secret Skill.