
The standard-tier HP rune, Rare rarity: base stat HP +600 at 30 CP for 2 energy. One of the four tiers of the HP rune line for carried items.
HP Rune
Rare · HP +600

Database · Runes · HP line
The standard-tier HP rune, Rare rarity: base stat HP +600 at 30 CP for 2 energy. One of the four tiers of the HP rune line for carried items.
Rare · Standard tier · HP stat line
Source
Rift System · Holo-Battle Sim
Source
Rune Crafting
Source
Adventure Rank · Chest

The standard-tier HP rune, Rare rarity: base stat HP +600 at 30 CP for 2 energy. One of the four tiers of the HP rune line for carried items.
Rare · HP +600
The game's item data lists 3 sources for the HP 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 HP +600 as its base stat, weighs 30 CP and costs 2 energy to socket. It is the standard tier of the HP line, whose four tiers run Common (Uncommon), standard (Rare), Advanced (Epic) and Premium (Legendary).
No published build on this site recommends the HP line yet; the recommended-build panels on the Aniidex pages will pick it up as soon as one does.