Covenant

	4 100	Covenant Protect nearby allies with an energy force that absorbs all damage and converts it to a Critical Chance bonus for all those under the Covenant. Headshots are amplified even further. Introduced in Update 21.0 (2017-06-29)	Strength:5% (base critical chance) 1.50% (critical chance per 100 damage)
			Duration:3 / 4 / 5 / 6 s (invulnerability time) 6 / 8 / 10 / 12 s (critical chance time)
			Range:N/A
			Misc: 4.0x (headshot multiplier to bonus critical chance) 50% (bodyshot critical chance cap) 200% (headshot critical chance cap) 50/250 m (affinity range/open-world affinity range)

• Info
• Augment
• Tips & Tricks
• Maximization

Info

• Harrow expends 100 energy to break free of his shackles in a whirlwind of impenetrable energy, imbuing himself and allies inside his Affinity Range with complete Invulnerability to damage and Status Effects for 3 / 4 / 5 / 6 seconds. While invulnerable, any enemy damage prevented by all affected players during this time accumulates into a total pool.
  • Affinity Range is not affected by  Ability Range but is affected by Fosfor and  Vazarin's  Mending Unity.
• After the invulnerability phase, all affected players receive the Retaliation buff which provides an additive weapon Critical Chance bonus lasting for 6 / 8 / 10 / 12 seconds. Retaliation provides a 5% base critical chance, plus extra critical chance converted from total damage prevented at a rate of 1.50% per 100 damage points prevented. Additionally, the combined critical chance percentage is multiplied by 4 on headshot hits.
  • Critical chance bonus is capped at 50% on bodyshot hits and 200% on headshot hits.
  • The critical chance applied to the weapons is a flat value applied after mods.
    • Example: A weapon with 10% base critical chance which has a Rank 5  Point Strike equipped and is affected by a capped Retaliation buff will have
      10% × (1 +  150%) + 200% = 225% critical chance on headshot.
• Protection and Retaliation buffs affect both players and their Companions.
• Covenant cannot be recast while its buffs are active.
  • Multiple Harrows can cast Covenant independently of other players' active invulnerability and critical chance buffs.
• Casting animation of 3 seconds is affected by Casting Speed. Casting Covenant is a full-body animation that stops Harrow's movement and actions.
• During the invulnerability phase, the current total of damage prevented is displayed to the right of the aiming reticle, represented by a shield-like emblem.
  • After the invulnerability phase, the critical chance bonus and its headshot multiplied percentage are briefly displayed at the same position, represented by a bullet-like emblem.
  • An audible whispering sound plays when each buff's duration ends.
• Covenant's buff icons for invulnerability and critical chance are displayed beside the shield and health indicators, with the critical chance bonus percentage located at the top-right of the icon and buff timers at the bottom.
• Harrow and affected allies are visibly surrounded by a gust of energy while under Covenant's effects. This visual effect expands or contracts depending on the phases of the ability, and is affected by Harrow's chosen Warframe energy color.

Augment

Main article: Lasting Covenant

Lasting Covenant is a Warframe Augment Mod for  Harrow that increases  Covenant's critical chance buff duration each time an enemy is killed with a headshot.

Lasting Covenant

Tips & Tricks

• It synergizes well with abilities that buff critical damage, such as  Electric Shield.
• Also pairs well with the  Dual Toxocyst since they are at their optimal power when you are getting headshots.
• Since the critical chance applied is additive, this ability can turn a  Nukor modded with  Primed Target Cracker (and possibly other critical damage mods such as a Riven) into a viable critical secondary.
• As Covenant's critical chance buff is capped, Harrow may opt to build on Ability Duration over Ability Strength, as not only does the increased invulnerability protect him longer, the damage he negates during the extended invulnerability phase can be enough for him to cap the aftermath Retaliation buff.
• Stacks with  Arcane Avenger, resulting in an additive +95% critical chance on bodyshot and +245% on headshot with both effects maxed.
• Casting this while attempting to revive a teammate makes for a reliable survival strategy, as the invulnerability phase will protect you from enemy fire.
• If the mission has Environmental Hazards, like the toxic waste in the Grineer Shipyard tileset, you can use them to stack extra damage negation during the invulnerability phase.
• Covenant synergizes well with a Kitgun equipped with  Pax Seeker, with its projectiles gain benefits for critical chance to headshot from this ability.
  • However, headshot kills by Pax Seeker's projectiles won't trigger  Lasting Covenant augmentation.

Maximization

This calculator feature is sunsetted on the wiki. It may not see further updates, but will be present on articles for the time being since some people still find use for them. See User blog:Cephalon Scientia/Sunsetting of Maximization Calculators for more details.

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See Also

•  Harrow