Meditation.

Meditation is the fourth skill John gained on the day he woke up with his powers.

Meditation
Meditation: stay motionless with your eyes closed and empty your mind. Nothing else can be done while meditating.

Gain: 

Hp regen x2

Mp regen x3

Increased chance to discover new magic skill

Meditation Lv. 1
Increases Health and Mana regeneration by (Skill level x 100%).

Cannot be used while in combat.

Meditation Lv. 2
Meditation now increases mana and health regen by 200% when not in combat.

Meditation Lv. 1
Meditation: Regain health and mana at an increased rate by staying still with your eyes closed, focusing on nothing or reciting a mantra in your head. Nothing else may be done while meditating.

Gain:

Hp regen x2

Mana regen x3

History(Des)
John gained the skill after closing his eyes in Mrs. Flung's class.