| Lv1 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 1. |
| Lv2 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 2. |
| Lv3 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 3. |
| Lv4 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 4. |
| Lv5 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 5. |
| Lv6 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 6. |
| Lv7 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 7. |
| Lv8 | When the corresponding Adventurer Rank is reached, this equipment is upgraded to Rarity 8. |
Guild MailAdventurers' Guild Set