Zhongli is a useful DPS, but also a Support for most teams, bringing his shields up which debuff enemies, and his Burst which can petrify them with a large amount of damage. To maximize the damage delivered to his foes and keep recovery strong, equip him with the Staff of Homa, ...
Childe and Zhongli eating together, drawn by mangaka Haruka Hano. The traveler knows Childe / Tartaglia is the one paying, so she's ordering like crazy. Following Paimon and Zhongli's recommendations.