Aid

Source: Player's Handbook (2024)

2nd Level Abjuration (Artificer, Bard, Cleric, Druid, Paladin, Ranger)

Casting Time: Action Range: 30 feet Components: V, S, M (Tiny Strip of White Cloth) Duration: 8 hours

Choose up to three creatures within range. Each target’s Hit Point maximum and current Hit Points increase by 5 for the duration. Using a Higher-Level Spell Slot.
Each target’s Hit Points increase by 5 for each spell slot level above 2.