The user’s max HP increases depending on how many of Harlax’s Helpful Lamp tokens are equipped in the party,
Synergistic
When two different characters wear this shirt and one of those two casts a healing Spell on the other, the recipient of the healing Spell heals an additional 3 HP. The caster and the target of the healing Spell may not be the same person. I.e., if a healer wearing this shirt casts a self-targeting healing Spell, this shirt does not boost that spell’s healing. Like all healing effects, this item cannot be used to increase HP beyond the character’s max HP.
Adds +3 to AC and an additional +1 to AC for every other SotP equipped by other party members. The maximum total AC per shield is +7, even if somehow more than five characters equip one of these shields.