Update: Raiden Shogun is now confirmed as the best Genshin Impact character - but even without that absolute tier-topping status she's one of the most versatile damage dealers and supporters in the game right now who also tops our current ranking. Her Elemental Burst, which can potentially hit over 200,000 damage within a single rotation given the right set-up makes her an excellent main carry for both boss fights and the Spiral Abyss. She is also an energy battery for the team which can reduce like 30% cost for recharging energy, so in many groupings you will want to have her.
Hu Tao is still an S-tier DPS with the capacity to deal huge amounts of Pyro harm. Xi Nir Speedway | Brightcrown canyon is based on her HP, increasing its power and encouraging damage maximize to the defense can safely stay at low health levels. When built correctly, Hu Tao will output between 50,000 and 100,000 damage with her charged attack every time she uses it—often paired with Xingqiu for Vaporize reactions that amplify all her damage by a factor of 1.5.
Being an Anemo character, Kazuha has access to Swirl reaction allowing his teammates to have a 40% increase in their elemental damage. In large swarms his Elemental Skill and Burst can keep enemies locked down, but it also increase the damage output of his entire team, especially in a elemental heavy teams. Kazuha has fast and almost permanent buffs with his abilities on a 6-second cooldown, which makes him one of the best heroes for trial, and among those players who cares about efficient combat.
Because of how powerful his shields are, Zhongli is still a pivotal character in anything related to element synergy. Zhongli uniquely excels in content of this nature, with his 25k+ HP and 20-second-long shield to make the difference between life or death in high-level activities like the Spiral Abyss, where a single hit might be all it takes for ruin. As a tank, he scales with HP which allows for utility in support roles and strength in damage stances.
These are the characters that always make its way to the top of the genshin impact tier list, which is based around how well they perform in challenging content with elemental reactions and team copy-paste-friendly synergy. For more rankings and breakdowns on character performance be sure to visit genshin tier list Regularly to keep up with who currently takes the first spot and glimpses on why.