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Drain Expertise
Lieutenant Commander


This skill increases your command of Drain Effects, including both your effectiveness when using them. and your ability to resist the same effects. Drain Effects include all of the following:

  • Shield Drain/Damage
  • Subsystem Power Drain
  • Subsystem Offline
  • Power Transfer Rate Debuffs

Each point of Drain Expertise provides both of the following:

  • +0.5% Base Effectiveness for Outgoing Drains
  • +1% Resistance to Incoming Drains

Overview[]

Science Skill 3 R1

Drain Expertise is a Lieutenant Commander Science skill that is available to all Lieutenant Commanders. There are two total skills in this chain and 1 specialty skill, each costing 1 Space Point to purchase.

  • The first skill node gives +60 Drain Expertise.
    • Improved Drain Expertise gives an additional +40 for a total of +100 Drain Expertise.
    • Science Skill 4 Drain Infection adds an Electrical Damage DoT when using drain abilities.

Abilities affected[]

Bridge Officer abilities[]


Console abilities[]

Power drains:
Shield drains:


Weaponry[]

Many different weapon procs have drain effects.

Power drains:
The standard Polaron weapon proc reduces all of the target's subsystem power levels by 25 for 5 seconds. This proc, and other power drain procs, can be found on most Polaron-based weaponry, as well as some non-Polaron weapons:
Standard
Polaron
Polaron Beam Array icon
Common icon
Dual Polaron Beam Bank icon
Common icon
Polaron Turret icon
Common icon
Polaron Cannon icon
Common icon
Polaron Dual Cannons icon
Common icon
Polaron Dual Heavy Cannons icon
Common icon
Omni-Directional Polaron Beam Array icon
Very rare icon
Wide Arc Polaron Dual Heavy Cannons icon
Very rare icon
Dominion
Polaron
Dominion Polaron Beam Array icon
Rare icon
Dominion Polaron Dual Cannon icon
Rare icon
Elite Fleet
Polaron
Elite Fleet Dranuur Polaron Beam Array icon
Ultra rare icon
Elite Fleet Dranuur Polaron Dual Beam Bank icon
Ultra rare icon
Elite Fleet Dranuur Polaron Turret icon
Ultra rare icon
Elite Fleet Dranuur Polaron Cannon icon
Ultra rare icon
Elite Fleet Dranuur Polaron Dual Cannons icon
Ultra rare icon
Elite Fleet Dranuur Polaron Dual Heavy Cannons icon
Ultra rare icon
Phased
Polaron
Phased Polaron Beam Array icon
Common icon
Phased Polaron Dual Beam Bank icon
Common icon
Phased Polaron Turret icon
Common icon
Phased Polaron Cannon icon
Common icon
Phased Polaron Dual Cannons icon
Common icon
Phased Polaron Dual Heavy Cannons icon
Common icon
Protonic
Polaron
Protonic Polaron Beam Array icon
Common icon
Protonic Polaron Dual Beam Bank icon
Common icon
Protonic Polaron Turret icon
Common icon
Protonic Polaron Cannon icon
Common icon
Protonic Polaron Dual Cannons icon
Common icon
Protonic Polaron Dual Heavy Cannons icon
Common icon
Polarized
Disruptor
Disruptor-based
Polarized Disruptor Beam Array icon
Common icon
Polarized Disruptor Dual Beam Bank icon
Common icon
Polarized Disruptor Turret icon
Common icon
Polarized Disruptor Cannon icon
Common icon
Polarized Disruptor Dual Cannons icon
Common icon
Polarized Disruptor Dual Heavy Cannons icon
Common icon
Assorted
Others
Nausicaan Disruptor Beam Array icon
Common icon
Neutronic Torpedo Launcher icon
Common icon
Saboteur Delivery Vehicle Photon Torpedo icon
Common icon
Thermionic Torpedo Launcher icon
Rare icon

Not all Polaron-based weapons have drain procs, such as Chronometric Polaron, Piezo-Polaron, Thoron-Infused Polaron and Vaadwaur Polaron emitters.

Shield drains:
The standard Tetryon weapon proc deals bonus shield damage to all of the target's shield facings. This proc, and other shield drain procs, can be found on most Tetryon-based weaponry, as well as some non-Tetryon weapons:
Standard
Tetryon
Tetryon Beam Array icon
Common icon
Dual Tetryon Beam Bank icon
Common icon
Tetryon Turret icon
Common icon
Tetryon Cannon icon
Common icon
Tetryon Dual Cannons icon
Common icon
Tetryon Dual Heavy Cannons icon
Common icon
Omni-Directional Tetryon Beam Array icon
Very rare icon
Wide Arc Tetryon Dual Heavy Cannons icon
Very rare icon
Destabilizing
Tetryon
Destabilizing Tetryon Beam Array icon
Common icon
Destabilizing Tetryon Dual Beam Bank icon
Common icon
Destabilizing Tetryon Turret icon
Common icon
Destabilizing Tetryon Cannon icon
Common icon
Destabilizing Tetryon Dual Cannons icon
Common icon
Destabilizing Tetryon Dual Heavy Cannons icon
Common icon
Long-Range Destabilized Tetryon Heavy Cannon icon
Common icon
Dominion
Polaron
Polaron-based
Dominion Polaron Beam Array icon
Rare icon
Dominion Polaron Dual Cannon icon
Rare icon
Elite Fleet
Tetryon
Elite Fleet Dranuur Tetryon Beam Array icon
Ultra rare icon
Elite Fleet Dranuur Tetryon Dual Beam Bank icon
Ultra rare icon
Elite Fleet Dranuur Tetryon Turret icon
Ultra rare icon
Elite Fleet Dranuur Tetryon Cannon icon
Ultra rare icon
Elite Fleet Dranuur Tetryon Dual Cannons icon
Ultra rare icon
Elite Fleet Dranuur Tetryon Dual Heavy Cannons icon
Ultra rare icon
Phased
Tetryon
Phased Tetryon Beam Array icon
Common icon
Phased Tetryon Dual Beam Bank icon
Common icon
Phased Tetryon Turret icon
Common icon
Phased Tetryon Cannon icon
Common icon
Phased Tetryon Dual Cannons icon
Common icon
Phased Tetryon Dual Heavy Cannons icon
Common icon
Piercing
Tetryon
Piercing Tetryon Dual Beam Bank icon
Rare icon
Piercing Tetryon Turret icon
Rare icon
Piercing Tetryon Dual Cannon icon
Rare icon
Refracting
Tetryon
Refracting Tetryon Beam Array icon
Common icon
Refracting Tetryon Dual Beam Bank icon
Common icon
Refracting Tetryon Turret icon
Common icon
Refracting Tetryon Cannon icon
Common icon
Refracting Tetryon Dual Cannons icon
Common icon
Refracting Tetryon Dual Heavy Cannons icon
Common icon
Hyper-Dual Refracting Tetryon Beam Bank icon
Common icon
Resonating
Tetryon
Resonating Tetryon Beam Array icon
Rare icon
Polarized Dual Tetryon Beam Bank icon
Rare icon
Assorted
Others
Quantum Phase Beam Array icon
Common icon
Quantum Phase Dual Heavy Cannons icon
Common icon
Quantum Phase Torpedo icon
Common icon
Advanced Piezo-Photon Torpedo Launcher icon
Very rare icon

Not all Tetryon-based weapons have drain procs, such as Antichroniton Infused Tetryon, Diffusive Tetryon, or the Competitive Wargames Tetryon weapons.


Other[]

Includes set bonuses, traits, and innate abilities.

Abilities that are not affected by Drain Expertise:

Modifiers[]

Strategy[]

Science Vessels and Carriers have built-in Subsystem Targeting abilities, putting four bridge officer drain abilities at your disposal. Even if your ship is built around using projectiles, you can equip at least a single energy weapon just to execute these abilities continuously.

Many drain items and abilities have a degree of synergy with one another:

Note[]

The current maximum drainX that can be put on a ship with no buffs (circa 2021) is 985.

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