Heal Creature

Heal monster lvl 1
mp equal to 100% of hp healed

Heal monster: heal a friendly monster for any amount of hp.

Heal monster lvl 2
mp cost equal to 90% of hp healed

=== Heal Monster lvl 4 === Heal monster: mp cost equal to 75% of hp healed

Heal Monster lvl 8 ← Neo skipped a several levels
No Change

Heal Monster lvl 9 - 11
Heal monster: the mp cost is reduced to 25% of the hp healed.

Heal Monster lvl 12
No Change

Heal Monster lvl 13
Heal Monster mana-to-health efficiency improved from 25% to 20%!

Heal Summon level 1:
Your mana becomes a fountain of life for your summoned creatures, healing their wounds.

-2 mana per second

+5 summon health per second

Heal Summon Level 2 - 3
-1 mana per second

+10 health per second

Trivia
In Chapter 207 (Neo) and Chapter 234 (Neo) the character sheet has Heal Monster as Level 12 instead of 13.