Zhongli build recommendations
Zhongli can be utilized as a Geo Burst damage dealer due to his short Elemental Burst cooldown (12s) and low energy cost (40 Energy). His Elemental Skill Hold Cast (Shield) scales with HP and at Ascension 4, you would unlock a talent that allows your Elemental Burst to scale with 33% of Zhongli's Max HP, making him a great source of Shield and damage.
Regarding Artifact Main Stats
ATK sands provides more damage than HP sands, but it does have lesser Shield HP. If you want more Shield HP, you can consider running a HP sands.
Regarding Artifact Sets
On lower ER requirements where Zhongli doesn't need to worry about his energy needs, this set pulls ahead of .
This set provides Zhongli more utility when casting his Elemental Burst, you can use this set on Zhongli if there is nobody else on the team who's equipping this set.
Just like Noblesse Oblige (4), this set provides Zhongli with more utility if his Elemental Skill hits an enemy. This set also provides Zhongli with stronger shields.
Artifact stats priority
crit rate, crit dmg atk% hp% er atk hp