# 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 Magick Deck, Harsh Oath Headpiece, and Harsh Oath Chestpiece.

Canonical: https://lostark.wiki/database/item-sets/harsh-oath-12202106

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 Magick Deck](https://lostark.wiki/database/items/harsh-oath-magick-deck-113218210), [Harsh Oath Headpiece](https://lostark.wiki/database/items/harsh-oath-headpiece-113218211), and [Harsh Oath Chestpiece](https://lostark.wiki/database/items/harsh-oath-chestpiece-113218212).

### 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 Magick Deck](https://lostark.wiki/database/items/harsh-oath-magick-deck-113218210) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Headpiece](https://lostark.wiki/database/items/harsh-oath-headpiece-113218211) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Chestpiece](https://lostark.wiki/database/items/harsh-oath-chestpiece-113218212) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Pants](https://lostark.wiki/database/items/harsh-oath-pants-113218213) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Gloves](https://lostark.wiki/database/items/harsh-oath-gloves-113218214) - Legendary, Tier 3, Base item level 1,340
- [Harsh Oath Shoulderpiece](https://lostark.wiki/database/items/harsh-oath-shoulderpiece-113218215) - Legendary, Tier 3, Base item level 1,340

## Related

- [Set members](https://lostark.wiki/database/item-sets/harsh-oath-12202106#relationships) (6)

### Set members

1–6 of 6

| Name | Class | Details |
| --- | --- | --- |
| [Harsh Oath Magick Deck](https://lostark.wiki/database/items/harsh-oath-magick-deck-113218210), Tier 3 | [Arcanist](https://lostark.wiki/database/classes/arcanist-202) |  |
| [Harsh Oath Headpiece](https://lostark.wiki/database/items/harsh-oath-headpiece-113218211), Tier 3 | [Arcanist](https://lostark.wiki/database/classes/arcanist-202) |  |
| [Harsh Oath Chestpiece](https://lostark.wiki/database/items/harsh-oath-chestpiece-113218212), Tier 3 | [Arcanist](https://lostark.wiki/database/classes/arcanist-202) |  |
| [Harsh Oath Pants](https://lostark.wiki/database/items/harsh-oath-pants-113218213), Tier 3 | [Arcanist](https://lostark.wiki/database/classes/arcanist-202) |  |
| [Harsh Oath Gloves](https://lostark.wiki/database/items/harsh-oath-gloves-113218214), Tier 3 | [Arcanist](https://lostark.wiki/database/classes/arcanist-202) |  |
| [Harsh Oath Shoulderpiece](https://lostark.wiki/database/items/harsh-oath-shoulderpiece-113218215), Tier 3 | [Arcanist](https://lostark.wiki/database/classes/arcanist-202) |  |

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