- At maximum rank, Relentless Combination increases the Melee Combo Counter by +1 for every Slash proc inflicted per enemy. A combo hit is applied for each application of Slash and additional +1 hits thereafter for every tick of Bleed damage.
- If the enemy dies while under the Bleed proc or Bleed runs out, you will stop gaining additional hits from that enemy.
- Only Slash procs caused by melee weapons count; Slash procs from primary or secondary weapons, Warframe abilities (including abilities that are affected by melee weapon mods or the Combo Counter, such as Shattered Lash or Blade Storm), or Rending Turn will not increase the Combo Counter.
- Exalted Blade, Diwata, and Valkyr Talons can equip the mod and benefit from it. It can also be equipped on Iron Staff, but it does not have any Slash damage and as such is unable to proc Bleed.
- Slash procs from Exalted Blade's energy waves, including ones cast from Slash Dash while channeling Exalted Blade, add hits to the combo counter.
- Most Stances have a combo in which an attack has a guaranteed status proc; these can be used to take advantage of this mod regardless of the weapons status chance.
- Since additional hits are gained from the Bleed DoT, the mod's effectiveness is more noticeable on durable enemies.
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