The official Rulebook is available here :
French version :
https://drive.google.com/file/d/1vOqqdway0-kTQw_pM69CZfFWbhwpja4H/view?usp=sharing
English version :
https://drive.google.com/file/d/1u3YAwYVJCpwiGewUIudW2kMNq5xMuPvS/view?usp=sharing
(The english version is a community-made translation of the original rulebook in french, it does not involve the responsability of GameWard or Fuze Forge and only the french regulation will be used for legal purposes or enforcement of the regulation)