Community has done and, keeps doing its job, creating some good stuff about the game, such as:
Quests tutorial
About what is "Excavation System"
Bosses locations
Items
Lasts / Current Event
Etc... (See by yourself :P)
Get yourself a good fresh start on game by taking a look on RotS's fansites:
ENG - https://saiyansbook.com/
ENG - https://saiyansreturn.info/
BR - https://www.fanrots.com.br/
PL - https://www.saiyanspolska.pl/
Choose the one that better suits you!