The territory of the Teyvat region is extremely large, it is where a multitude of creatures gather and multiply.
Thus the world is ruled by the seven Gods, and is also the seat for the seven types of elements to gather ...
Below the sky in an unfamiliar place, a couple of men and women were standing there, in the winds.
Characters can primarily be obtained using Interwoven Fate or Familiar Fate (purchased with Primogem although also available through Events, Quests or monthly redemption for Stardust / Starglitter at Paimon's Bargains) to fulfillment of the Wish (Gacha pull).
Other ways to get the character are:
Team starter Amber, Kaeya, and Lisa can be automatically obtained for free during the first part of the game in the opening Chapter Archon Quest.
Several 4-star characters (up to 2 stars at a time) can also be purchased directly (without any chance) from monthly Paimon's Bargains store in exchange for Masterless Starglitter.
Specific Characters may be available as a reward for participating in Events, either permanently (eg Bapapti of Song for Barbara) or for a limited time (eg Unreconciled Stars for Fischl).
Genshin Impact Best Characters Tier List