From Emil Chronicle Wiki

Conceal is a skill that will temporarily make the user invisible. This will drop agro. Breaks upon movement or damage. It will continue to drain sp as you remain hidden and will break if you can not continue to use it. Higher ranks reduce cast time.

• Note: Certain enemies will still be able to attack you. As well, if you do it in melee range, enemies will attack at least once.

[edit] Overview

Type Active Learned at Job level 1 Description Active Skill Hides user Jobs Scout

[edit] Skill Details

Skill Level	1	2	3
SP Cost	5	10	20