# Harsh Oath set

> Gain Lunar Power for 6s every 2s when you hit a foe. Lunar Power: Crit Damage +6% (Max. 5 stacks. Cannot be used in conjunction with Solar Power.) Its pieces are Harsh Oath Battle Hammer, Harsh Oath Helm, and Harsh Oath Chestpiece.

Canonical: https://lostark.wiki/database/item-sets/harsh-oath-12201206

Gain Lunar Power for 6s every 2s when you hit a foe.  
Lunar Power: Crit Damage +6% (Max. 5 stacks. Cannot be used in conjunction with Solar Power.)

Its pieces are [Harsh Oath Battle Hammer](https://lostark.wiki/database/items/harsh-oath-battle-hammer-113218120), [Harsh Oath Helm](https://lostark.wiki/database/items/harsh-oath-helm-113218121), and [Harsh Oath Chestpiece](https://lostark.wiki/database/items/harsh-oath-chestpiece-113218122).

### Set Lv.1

#### Set bonuses

- **2 pieces**: Gain Lunar Power for 6s every 2s when you hit a foe.
Lunar Power: Crit Damage +6% (Max. 5 stacks. Cannot be used in conjunction with Solar Power.)
- **5 pieces**: At 5 stacks of Lunar Power, change to Full Moon.
If a party member with an effect that is activated with 5 sets of Determination is within 3 meters while Full Moon is active, you gain Total Lunar Eclipse.
 Full Moon: Crit Damage +50% for 15s.
 Total Lunar Eclipse: Crit Rate +25% and Crit Damage +50% for 15s.

#### Equipment

- [Harsh Oath Battle Hammer](https://lostark.wiki/database/items/harsh-oath-battle-hammer-113218120) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Helm](https://lostark.wiki/database/items/harsh-oath-helm-113218121) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Chestpiece](https://lostark.wiki/database/items/harsh-oath-chestpiece-113218122) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Pants](https://lostark.wiki/database/items/harsh-oath-pants-113218123) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Gloves](https://lostark.wiki/database/items/harsh-oath-gloves-113218124) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Pauldrons](https://lostark.wiki/database/items/harsh-oath-pauldrons-113218125) - Legendary, Tier 3, Base item level 1,340

## Related

- [Set members](https://lostark.wiki/database/item-sets/harsh-oath-12201206#relationships) (6)

### Set members

1–6 of 6

| Name | Class | Details |
| --- | --- | --- |
| [Harsh Oath Battle Hammer](https://lostark.wiki/database/items/harsh-oath-battle-hammer-113218120), Tier 3 | [Destroyer](https://lostark.wiki/database/classes/destroyer-103) |  |
| [Harsh Oath Helm](https://lostark.wiki/database/items/harsh-oath-helm-113218121), Tier 3 | [Destroyer](https://lostark.wiki/database/classes/destroyer-103) |  |
| [Harsh Oath Chestpiece](https://lostark.wiki/database/items/harsh-oath-chestpiece-113218122), Tier 3 | [Destroyer](https://lostark.wiki/database/classes/destroyer-103) |  |
| [Harsh Oath Pants](https://lostark.wiki/database/items/harsh-oath-pants-113218123), Tier 3 | [Destroyer](https://lostark.wiki/database/classes/destroyer-103) |  |
| [Harsh Oath Gloves](https://lostark.wiki/database/items/harsh-oath-gloves-113218124), Tier 3 | [Destroyer](https://lostark.wiki/database/classes/destroyer-103) |  |
| [Harsh Oath Pauldrons](https://lostark.wiki/database/items/harsh-oath-pauldrons-113218125), Tier 3 | [Destroyer](https://lostark.wiki/database/classes/destroyer-103) |  |

## Related

- [Home](https://lostark.wiki/)
- [Item Sets](https://lostark.wiki/database/item-sets)