*WARNING* CONTAINS MINOR SPOILERS
*NOTICE* THIS IS SUBJECT TO CHANGE BECAUSE WORKING OUT A WHOLE LEVELING SYSTEM FOR A NOVEL IS A PAIN IN THE ASS ALSO, THIS IS WHY MOST NOVELS JUST WING IT.
Experience is shared between party members.
MC Level = Enemy Level (Within 1 level difference)
MC Level > Enemy Level (More than 1 level difference) -50%
MC Level < Enemy Level (More than 1 level difference) +50%
Enemy Tiers
Normal player, Npc's and monsters - 10% exp
Players with first class mission complete or Veteran Npc's and monsters - 20% exp
Players with second class mission complete or Elite Npc's and monsters - 50% exp
Players with third class mission complete or Champion Npc's and monsters - 100% exp
Players with forth class mission complete or Legendary Npc's and monsters - 200% exp
Players with firth class mission complete or Epic Npc's and monsters - 300% exp (many of which are also known as World Bosses)