Whether you're playing solo or in multiplayer mode, which affects how EXP is distributed across a party of players.The Area Level you're currently in, with a level difference between your character and the monsters within.Your Character Level, which alters the EXP gain percentages.The difficulty you're playing, since harder modes will reward you with more EXP, but also penalize you if you die.The twist comes with the amount of experience obtained after killing a monster, which will vary depending on the following factors: Watch on YouTube Diablo 2 leveling and EXP explainedĪs in any RPG, gaining experience allows your character to gain levels.