How Interdiction Nullifiers Work in EVE Online

They do not work at all if the ship has a burst jammer module or a Higgs Anchor rig fitted.
If a ship is locked & pointed/scrammed for more points than its warp core strength, it can't initiate or enter warp regardless of nullifier status.

in bubble to start	nullifier active when initiating warp	nullifier active when entering warp	bubbled after initiating warp	bubble on warp vector within 500 km of destination before initiating warp	ship can't initiate warp	ship enters warp and arrives at intended destination	ship enters warp and arrives at bubble's edge	ship stops warp process
y	n				✓
y/n	y	y/n	y/n	y/n		✓
y	y	n *thought it worth specifically documenting this particular case since it's sometimes encountered	y/n	y/n		✓
n	n	y/n	n	y			✓
n	n		y					✓

Nullifiers have consequentially-different activation durations (AKA cycle times) and reactivation delays (AKA cooldowns). Other stats thrown in for completeness:

Name	Duration	Delay	CPU Usage	Activation Cost
Interdiction Nullifier I	10 s	100 s	38 tf	50 GJ
Compact Interdiction Nullifier	12 s	130 s	32 tf	50 GJ
Enduring Interdiction Nullifier	12 s	130 s	38 tf	35 GJ
Interdiction Nullifier II	15 s	150 s	46 tf	50 GJ

Given all the above (and the 10-second cycle times of MWDs), you integrate nullifier use with the cloak trick like so:

align then activate cloak + MWD ASAP as normal, wait between 1 and 5 seconds, then activate the nullifier, then decloak & spam warp as normal
- if you'll be needing to use the cloak trick with a nullifier, practice it until you can do it reliably

The only common ships which reduce nullifier cooldowns as of February 1, 2026 are Fleet Interceptors and T3Cs with Interdiction Nullifier subsystems.

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