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Skill: Drain Expertise

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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[edit | edit source]

Science Skill 3 R1.png

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.png Drain Infection adds an Electrical Damage DoT when using drain abilities.

Abilities affected[edit | edit source]

Bridge Officer abilities[edit | edit source]


Console abilities[edit | edit source]

Power drains:


Set Bonus, Innate and Other Abilities[edit | edit source]

Abilities that are not affected by Drain Expertise:

Weaponry[edit | edit source]

Many different weapon procs have drain effects.

Power drain procs[edit | edit source]

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:

Polaron Beam Array icon.png
Common icon.png
Dominion Polaron Beam Array icon.png
Rare icon.png
Phased Polaron Beam Array icon.png
Very rare icon.png
Protonic Polaron Beam Array Mk XII icon.png
Very rare icon.png
Polarized Disruptor Beam Array icon.png
Very rare icon.png
Nausicaan Disruptor Beam Array icon.png
Very rare icon.png
Neutronic Torpedo Launcher icon.png
Very rare icon.png
Thermionic Torpedo Launcher icon.png
Rare icon.png


Some other Polaron weapons, such as Thoron-Infused Polaron and Vaadwaur Polaron emitters, do not have a drain proc.

Shield drain procs[edit | edit source]

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 (including Advanced Fleet Tetryon weapons, as well as some non-Tetryon weapons:

Tetryon Beam Array icon.png
Common icon.png
Dominion Polaron Beam Array icon.png
Rare icon.png
Phased Tetryon Beam Array icon.png
Very rare icon.png
Destabilizing Tetryon Beam Array icon.png
Very rare icon.png
Tetryon Dual Beam Bank icon.png
Rare icon.png
Refracting Tetryon Beam Array icon.png
Very rare icon.png
Resonating Tetryon Beam Array icon.png
Common icon.png
Quantum Phase Beam Array icon.png
Very rare icon.png
Quantum Phase Torpedo icon.png
Very rare icon.png
Advanced Piezo-Photon Torpedo Launcher icon.png
Very rare icon.png


Modifiers[edit | edit source]

Strategy[edit | edit source]

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 cannons or projectiles, you can equip a single beam weapon just to execute these abilities continuously.

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