The name Mana is taken from the role-playing game standard that is the self-generating resource players uses to cast spells.


Gain
Store
Spend

Non-Spatial
Generator
Focus Loci
Storage cap
Entity
Conversion
Options
Produces
Outcome
Consequence
Mana
Regenerates


Limited
Virtual
%Trade

Effect

Diminish


Mana always replenish over time, has a limited storage and exist as a virtual entity. Mana can never be sold or bought for currency. It always produces a diminishing effect.

Found in Games:
Crysis 2 (Suit Energy)
Deus Ex 3 (Energy)
Diablo II (Energy and Stamina)
Kingdoms of Amalur: Reckoning (Mana and Arrows)
King's Bounty: Armored Princess (Mana)
League of Legends (Mana, Energy, Karma's Mantra, Akali's Essence of Shadow)
Starcraft II (Unit Energy and Building Energy)
Terraria (Mana)