The idol of Mondstadt, Barbara, is one of the few characters that Genshin Impact players will get for free. She's given after players complete some quests of the first Archon Quest. Barbara's primary role in a team is as the healer, so she can fit into most Genshin Impact team compositions easily.
Genshin Impact: Mistakes Players Make When Using Barbara
However, while Barbara can fit in practically any composition, some team allows her to perform better as a support. For example, Barbara is great as a buffer for Hydro DPS, and as a Catalyst wielder, she can easily buff her team using a 3-star Genshin Impact weapon.
Childe and Beidou are universally known for their Fireworks team composition. Together, they make an incredible combo that easily spread Electro-charged reactions all over the battlefield. Adding Kazuha will spice things up by giving Childe a decent Hydro buff. Kazuha will also keep enemies controlled and collect them all in one place to maximize Tartaglia’s AoE damage. If the Samurai uses 4-Viridescent Venerer, he will also decrease the enemies' Hydro RES by 40%.
Barbara, in this team composition, will fully operate as a Support. She will heal Tartaglia with her Elemental Skill, and her C2 will further buff his Hydro DMG by 15%. Since Barbara is a Catalyst user and needs HP to increase her healing, giving her Thrilling Tales of Dragon Slayers will increase Childe’s ATK by 48%, allowing her to further improve her role as a Support in this team composition.
Anemo is a supportive Element that can reduce the enemy's RES to Hydro, Electro, Pyro, and Cryo. However, since Xiao is the Main DPS, he needs someone that can reduce the enemy's Anemo RES instead. This is where Zhongli comes in. The Geo Archon's Jade Shield will
Read more on gamerant.com