# 4.4 Idol Skill

* Each idol has a set of skills. Skills have a level that changes their activation rate and can be raised at a certain rate in arena battles or with skill level-up items.
* Skills are classified according to the target and conditions for activation of the effect as follows.

<table data-header-hidden><thead><tr><th width="164.5"></th><th></th></tr></thead><tbody><tr><td>Leader Skill</td><td>When an Idol is set as the leader, this skill is determined at the start of battle and activates the effect on all allies or all idols of the opponent.</td></tr><tr><td>Live Skill</td><td>This is a skill that activates an effect on you or your opponent's Idols at a certain probability during Live battles.</td></tr></tbody></table>

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* Skills are classified according to their effects as follows.

<table data-header-hidden><thead><tr><th width="138.5"></th><th></th></tr></thead><tbody><tr><td>Buffing</td><td>Grants an advantageous effect to your Idol(s).</td></tr><tr><td>Debuffing</td><td>Grants a disadvantageous effect to your opponent's Idol(s).</td></tr><tr><td>Remove Buffs</td><td>Removes buffs granted to the opponent's Idol(s).</td></tr><tr><td>Remove Debuffs</td><td>Removes debuffs granted to your Idol(s).</td></tr></tbody></table>