Complete main story missions
Do side missions and optional objectives
Farm high-xp enemy zones and repeatable encounters
Turn in bounties, contracts, and challenges
Clear map events and world activities
Open caches, loot objectives, and hidden areas
Play on the highest difficulty you can handle efficiently
Join co-op for faster mission clears and shared progress
Use XP-boosting gear, bonuses, or buffs if available
Repeat the fastest missions or farms you can complete consistently