Genshin Impact's 4.0 update has finally been released, and with it comes the long-awaited addition of the Fontaine region. Fontaine is now the fifth region added to Genshin Impact, the region of Hydro. Like all prior regions, Fontaine includes a ton of new content, new characters, new quests, new achievements, new weapons, and new character and weapon ascension materials for players to grind.