Equipment upgrades improve equipment in Grand Blue. An item can be upgraded a maximum of 10 times.[1]
Upgrade Bonuses
Every third upgrade grants a randomly selected bonus. Bonus grades range from F- to S+, from lowest to highest. The Trello separates bonuses into defensive, offensive, and life-skill groups.
Defensive Bonuses
| Bonus |
Range / Effect
|
| Posture Resist |
2%–10%
|
| Pet Health |
2%–10%
|
| Max Health |
1%–5%
|
| PvE Resist |
1%–5%
|
| PvP Resist |
1%–3%
|
| Health Regen |
1%–5%
|
| Movement Speed |
1%–4%
|
Offensive Bonuses
| Bonus |
Range / Effect
|
| Seastone Coating |
Pierces Logia Reflex; available only at S+ grade.
|
| Posture Damage |
2%–10%
|
| Pet Damage |
2%–10%
|
| Fire Damage |
2%–10%
|
| Poison Damage |
2%–10%
|
| Bleed Damage |
2%–10%
|
| Fruit Damage |
2%–7%
|
| Bleed on M1 chance |
2%–8%
|
| Poison on M1 chance |
2%–8%
|
| Burn on M1 chance |
2%–8%
|
| PvE Damage |
1%–5%
|
| PvP Damage |
1%–3%
|
| Skill Damage |
1%–5%
|
| M1 Damage |
1%–5%
|
| Movement Speed |
1%–4%
|
Life Skill Bonuses
| Bonus |
Range / Effect
|
| Lure Speed |
1%–8%
|
| Double Catch Chance |
1%–8%
|
| Fishing Luck |
1%–8%
|
| Mining Power |
1%–8%
|
| Double Ore Chance |
1%–8%
|
| Mining Luck |
1%–8%
|
| Crop Growth Speed |
1%–8%
|
| Double Harvest Chance |
1%–8%
|
| Farming Yield |
1%–8%
|
| Cooking Speed |
1%–8%
|
| Double Dish Chance |
1%–8%
|
| Meal Potency |
1%–8%
|
References