Mana point regeneration

On a node, mana regenerates at a rate of (Maximum Mana)*0.25 per pulse.

Off-node, mana regenerates at a rate of (Maximum Mana)*0.15 per pulse.

Factors that affect Mana Point Regeneration

Training in Elemental Mana Control, Spiritual Mana Control, or Mental Mana Control increases the rate of mana regeneration by +1 MP per pulse for every 10 ranks, rounded down. If a profession has two spheres of power (such as Empaths, who are both Spiritual and Mental), the bonus is +1 MP per pulse per 10 ranks of the higher Mana Control skill plus +0.5 MP per pulse per 10 ranks of the lower Mana Control skill.
The spell Manna creates bread that, when eaten, gives a refresh-effect every minute. This refresh-effect includes a small mana regeneration, dependent on the caster's Spiritual Lore, Blessings training.
The spell Heroism gives a refresh-effect of 1 MP per minute.
The spell Mana Focus (418) can change a room's nature from non-node to node for the purposes of mana regeneration.
The bardsong Song of Power affects the mana regeneration rate of the room in which the singer is stationed.
minor mana regen potions give +3 MP per pulse
lesser mana regen potions give +8 MP per pulse
greater mana regen potions give +13 MP per pulse

Clerics and Empaths can MEDITATE in order to gain Spirit Points, Mana Points, Health Points, and Stamina at a faster rate.