Onus of Boreus


Weapon Type


Attack Type


Elemental Type 

+80 frost-element-icon-dauntless-wiki-guideFrost

Cell Type




Onus of Boreus is a Weapon in Dauntless. Weapons are made from Trophies (Breakparts) obtained from Behemoths that can be crafted by the town's weaponsmith Wils Bormen. There are different types of weapons that are imbued with an element and provides various perks that can be crafted and upgraded to its maximum level by acquiring a set number of Reagents - in order for a new weapon to be available in the smithery, Slayers must discover and defeat new Behemoths by completing Quests.


A Slayer's sword forged with Boreus trophies.


Onus of Boreus Information

  • This weapon has 1 Perk
  • This weapon has 2 Cell Slots:
    • Power
    • Defence
  • Stong against Blaze type Behemoths
  • Weak against Frost type Behemoths
  • This weapon has a unique effect:
    • Using a Special continually generates Frost Sprites that cause your next attack to deal max 50 bonus damage and minor frost damage. Max 4 Sprites.


Where to find Onus of Boreus

  • Onus of Boreus is Crafted by Wils Bormen
  • This weapon is crafted from the Boreus Behemoth



Onus of Boreus Crafting and Upgrades

Level Power Perk/s Reagents Needed
Onus of Boreus 100 +1 Conditioning 150 Rams
3x Boreus Hide
1x Icy Hindscale
1x Horn Fragment
Onus of Boreus +1 140 7x Frost Orb
Onus of Boreus +2 180  7x Frost Orb
Onus of Boreus +3 220  8x Frost Orb
Onus of Boreus +4 260  8x Frost Orb
Onus of Boreus +5 300  9x Frost Orb
Onus of Boreus +6 340  +2 Conditioning 9x Frost Orb
4x Psiconic Scale
12x Dull Arcstone
2x Horn Fragment
Onus of Boreus +7 380  10x Frost Orb
15x Dull Arcstone
Onus of Boreus +8 420  10x Frost Orb
18x Dull Arcstone
20x Shining Arcstone
Onus of Boreus +9 460  11x Frost Orb
21x Dull Arcstone
40x Shining Arcstone
Onus of Boreus +10 500  +3 Conditioning 6x Hoofchip
11x Frost Orb
6x Psiconic Scale
24x Dull Arcstone
3x Horn Fragment
2x Deadfrost Shard
60x Shining Arcstone
Onus of Boreus +11 510  20x Peerless Arcstone
Onus of Boreus +12 520  25x Peerless Arcstone
Onus of Boreus +13 530  30x Peerless Arcstone
Onus of Boreus +14 540  35x Peerless Arcstone
Onus of Boreus +15 550  40x Peerless Arcstone


Onus of Boreus Mastery Card

Completing the objectives listed for the Onus of Boreus's mastery card increases the Mastery and Slayer level of a player - an increase of Mastery Level provides various rewards such as items, special skills, mods for the weapon, and adds points to the Slayer Level. While an increase of a Slayer's Level provides items, an increase of Stats, and unlocks perks.

Craft Onus of Boreus
Upgrade Onus of Boreus +6
Upgrade Onus of Boreus +10
Experience 300 900 3300 4500


Notes and Tips

  • Notes, Tips, and Trivia Go Here



Call of Dawn  ♦  Charred Saber  ♦  Cry of the Shrike  ♦  Ember Cutlass  ♦  Inferno's Razor  ♦  Kharabak's Spur  ♦  Nayzaga's Razor  ♦  Pangar's Call  ♦  Quillshot's Tusk  ♦  Raging Blade  ♦  Recruit's Sword  ♦  Skarn's Rancor  ♦  Sovereign's Torment  ♦  Stalker's Strike  ♦  Storm Sword  ♦  Thundering Blade  ♦  Training Sword  ♦  Valomyr's Regard  ♦  Verge of Night  ♦  Winter Ice

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