To upgrade Aura in Blox Fruits, start by acquiring Aura from the Ability Teacher in the Frozen Village for $25,000. This initial purchase will cover your lower hands and legs.
Next, level up your Aura by engaging in combat. Each hit on an enemy or NPC grants one experience point. As you gain experience, your Aura levels up and its appearance changes.
For faster leveling, try AFK grinding. Use an auto-clicker and a low-damage sword to attack NPCs or lower-level enemies. This method allows you to gain experience points while away from your device.
Once you’ve unlocked higher levels of Aura, you can switch between different visual stages. Visit the Aura Editor in Middle Town to change the appearance. Note that this only affects how the Aura looks, not the buffs.
By following these steps, you can efficiently upgrade your Aura in Blox Fruits, enhancing your gameplay experience.