''It's a catalyst of sorts, in that is a medium for physical transformation. That is why so many things can only be accomplished through the use of Mora" - in-game Loading tips text.
Mora is the main currency unit which is used to purchase various items in Genshin Impact.
The currency accepted worldwide in Teyvat. None disputes its value and status.
- The gold is named after the Geo Archon "Morax", but hearing it to be offensive, the said Archon was and is now called Rex Lapis.