one fruit online

I'm making an one piece game i whoud really want help with the level, health, running, double jump, dash, stats system and quests. ( Quest is like you go up to an NPC who tells you to kill for an example kill 5 bandit and you will get 100 exp and 40 beli= the cash in the game i'm trying to make this game good i'm really new to scripting i put a pic on upload files i want my game stats hp and quest and health and cash system and all of them systems to be kinda like a game called "blox fruits"