STO banner UA gamepedia 20181008 500x80.jpg

Skill: Drain Expertise

From Star Trek Online Wiki
(Redirected from Starship Drain Expertise)
Jump to: navigation, search
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:


Weaponry[edit | edit source]

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.png
Common icon.png
Dual Polaron Beam Bank icon.png
Common icon.png
Polaron Turret icon.png
Common icon.png
Polaron Cannon icon.png
Common icon.png
Polaron Dual Cannons icon.png
Common icon.png
Polaron Dual Heavy Cannons icon.png
Common icon.png
Omni-Directional Polaron Beam Array icon.png
Very rare icon.png
Wide Arc Polaron Dual Heavy Cannons icon.png
Very rare icon.png
Dominion
Polaron
Dominion Polaron Beam Array icon.png
Rare icon.png
Dominion Polaron Dual Cannon icon.png
Rare icon.png
Elite Fleet
Polaron
Elite Fleet Dranuur Polaron Beam Array icon.png
Ultra rare icon.png
Elite Fleet Dranuur Polaron Dual Beam Bank icon.png
Ultra rare icon.png
Elite Fleet Dranuur Polaron Turret icon.png
Ultra rare icon.png
Elite Fleet Dranuur Polaron Cannon icon.png
Ultra rare icon.png
Elite Fleet Dranuur Polaron Dual Cannons icon.png
Ultra rare icon.png
Elite Fleet Dranuur Polaron Dual Heavy Cannons icon.png
Ultra rare icon.png
Phased
Polaron
Phased Polaron Beam Array icon.png
Very rare icon.png
Dual Phased Polaron Beam Bank icon.png
Very rare icon.png
Phased Polaron Turret icon.png
Very rare icon.png
Phased Polaron Cannon icon.png
Very rare icon.png
Phased Polaron Dual Cannons icon.png
Very rare icon.png
Phased Polaron Dual Heavy Cannons icon.png
Very rare icon.png
Protonic
Polaron
Protonic Polaron Beam Array Mk XII icon.png
Very rare icon.png
Dual Protonic Polaron Beam Bank Mk XII icon.png
Very rare icon.png
Protonic Polaron Turret Mk XII icon.png
Very rare icon.png
Protonic Polaron Cannon Mk XII icon.png
Very rare icon.png
Protonic Polaron Dual Cannons Mk XII icon.png
Very rare icon.png
Protonic Polaron Dual Heavy Cannons Mk XII icon.png
Very rare icon.png
Polarized
Disruptor
Disruptor-based
Polarized Disruptor Beam Array icon.png
Very rare icon.png
Polarized Disruptor Dual Beam Bank icon.png
Very rare icon.png
Polarized Disruptor Turret icon.png
Very rare icon.png
Polarized Disruptor Cannon icon.png
Very rare icon.png
Polarized Disruptor Dual Cannons icon.png
Very rare icon.png
Polarized Disruptor Dual Heavy Cannons icon.png
Very rare icon.png
Assorted
Others
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

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.png
Common icon.png
Dual Tetryon Beam Bank icon.png
Common icon.png
Tetryon Turret icon.png
Common icon.png
Tetryon Cannon icon.png
Common icon.png
Tetryon Dual Cannons icon.png
Common icon.png
Tetryon Dual Heavy Cannons icon.png
Common icon.png
Omni-Directional Tetryon Beam Array icon.png
Very rare icon.png
Wide Arc Tetryon Dual Heavy Cannons icon.png
Very rare icon.png
Destabilizing
Tetryon
Destabilizing Tetryon Beam Array icon.png
Very rare icon.png
Destabilizing Tetryon Dual Beam Bank icon.png
Very rare icon.png
Destabilizing Tetryon Turret icon.png
Very rare icon.png
Destabilizing Tetryon Cannon icon.png
Very rare icon.png
Destabilizing Tetryon Dual Cannons icon.png
Very rare icon.png
Destabilizing Tetryon Dual Heavy Cannons icon.png
Very rare icon.png
Long-Range Destabilized Tetryon Heavy Cannon icon.png
Rare icon.png
Dominion
Polaron
Polaron-based
Dominion Polaron Beam Array icon.png
Rare icon.png
Dominion Polaron Dual Cannon icon.png
Rare icon.png
Elite Fleet
Tetryon
Elite Fleet Dranuur Tetryon Beam Array icon.png
Ultra rare icon.png
Elite Fleet Dranuur Tetryon Dual Beam Bank icon.png
Ultra rare icon.png
Elite Fleet Dranuur Tetryon Turret icon.png
Ultra rare icon.png
Elite Fleet Dranuur Tetryon Cannon icon.png
Ultra rare icon.png
Elite Fleet Dranuur Tetryon Dual Cannons icon.png
Ultra rare icon.png
Elite Fleet Dranuur Tetryon Dual Heavy Cannons icon.png
Ultra rare icon.png
Phased
Tetryon
Phased Tetryon Beam Array icon.png
Very rare icon.png
Dual Phased Tetryon Beam Bank icon.png
Very rare icon.png
Phased Tetryon Turret icon.png
Very rare icon.png
Phased Tetryon Cannon icon.png
Very rare icon.png
Phased Tetryon Dual Cannons icon.png
Very rare icon.png
Phased Tetryon Dual Heavy Cannons icon.png
Very rare icon.png
Piercing
Tetryon
Tetryon Dual Beam Bank icon.png
Rare icon.png
Tetryon Turret icon.png
Rare icon.png
Tetryon Dual Cannons icon.png
Rare icon.png
Refracting
Tetryon
Refracting Tetryon Beam Array icon.png
Very rare icon.png
Refracting Dual Tetryon Beam Bank icon.png
Very rare icon.png
Refracting Tetryon Turret icon.png
Very rare icon.png
Refracting Tetryon Cannon icon.png
Very rare icon.png
Refracting Tetryon Dual Cannons icon.png
Very rare icon.png
Refracting Tetryon Dual Heavy Cannons icon.png
Very rare icon.png
Hyper-Dual Refracting Tetryon Beam Bank icon.png
Very rare icon.png
Resonating
Tetryon
Resonating Tetryon Beam Array icon.png
Rare icon.png
Polarized Dual Tetryon Beam Bank icon.png
Rare icon.png
Assorted
Others
Quantum Phase Beam Array icon.png
Very rare icon.png
Quantum Phase Dual Heavy Cannons 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

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


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

Abilities that are not affected by Drain Expertise:

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 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:

Promotional Content