Heartseeker

Polarity: Madurai
Rarity: Rare
Drain: 10 → 13
Fits: Daggers

(Stats)

Lock onto targets within 1m, but reduces blocking effectiveness.
-50% Damage Block

Curated and corroborated — the export and the wiki independently state the same effect. None of this mod's effect is counted in a build's stats.

Outside the engine: Lock onto targets within 1m, but reduces blocking effectiveness.
Outside the engine: -50% Damage Block

Drain by rank

R0 10
R1 11
R2 12
R3 13

A matching polarity halves the drain, rounded up; a mismatched one costs more than no polarity at all.

How to get Heartseeker

No drop table lists Heartseeker. It comes from trading with another player, or Conclave standing — the tables do not cover those.

(Information)

Introduced: 17.3
Max rank: 3
Tradable: Yes
Transmutable: No
Exilus slot: No
Conclave: PvP only

(Sources)

Polarity, drain, rarity, compatibility and the card art come from the game export (snapshot 30 Sept 2026). Introduction version, tradability, mod sets and the drop tables come from the WARFRAME Wiki, CC BY-SA. Whether an effect is curated is our own judgement, recorded per mod.

(Where it goes)

Listed among Melee Mods