Barbara is one of the first healers players will get in Genshin Impact. This unit will be given for free once players finish the first few quests, so new Travelers won't have to fight without a healer. However, even though everyone will have Barbara, some may not have enough copies to maximize her Constellations.
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This can be unfortunate as Barbara has a highly useful sixth Constellation, making her enhancement a decent thing to aim for in Genshin Impact.
Although Barbara’s Constellations focus on enhancing her supportive abilities and cooldown, it is unnecessary for her to operate as a healer. Barbara is already a great Support on her own without Constellations. However, having her last Constellation gives her an advantage over other healers in Genshin Impact.
Barbara's Elemental Burst is like an emergency button. It requires 80 Energy to cast and takes a long time to recharge again since Barbara can’t battery herself in Genshin Impact. So it’s somewhat useful to have C1 Barbara regenerate energy while not in battle, but it doesn’t really add anything in combat, especially in the Abyss.
Decreasing the cooldown of C2 Barbara’s Elemental Skill is essential for her healing. Since her Elemental Burst takes ages to be used again, Barbara needs her Skill to keep her team healed and ready. In addition, her Elemental Skill adds 15% Hydro DMG to the active character, giving her the ability to better support other Hydro characters, like Childe and Ayato.
Apart from Barbara’s first Constellation, C4 Barbara regenerates energy more effectively as she heals her team during her Elemental Skill. After all, her Charged Attacks heal more, so her fourth Constellation will raise the
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