
The standard-tier Heal rune, Rare rarity: base stat REGEN +22 at 30 CP for 2 energy. One of the four tiers of the Heal rune line for carried items.
Heal Rune
Rare · REGEN +22

Database · Runes · Heal line
The standard-tier Heal rune, Rare rarity: base stat REGEN +22 at 30 CP for 2 energy. One of the four tiers of the Heal rune line for carried items.
Rare · Standard tier · Heal stat line
Source
Rift System · Holo-Battle Sim
Source
Rune Crafting
Source
Adventure Rank · Chest

The standard-tier Heal rune, Rare rarity: base stat REGEN +22 at 30 CP for 2 energy. One of the four tiers of the Heal rune line for carried items.
Rare · REGEN +22
The game's item data lists 3 sources for the Heal Rune: Rift System · Holo-Battle Sim, Rune Crafting, Adventure Rank · Chest. The Holo-Battle Sim rift is the recurring farm for every rune tier.
It grants REGEN +22 as its base stat, weighs 30 CP and costs 2 energy to socket. It is the standard tier of the Heal line, whose four tiers run Common (Uncommon), standard (Rare), Advanced (Epic) and Premium (Legendary).
No published build on this site recommends the Heal line yet; the recommended-build panels on the Aniidex pages will pick it up as soon as one does.