Rom's Rainbow

Ferengi Nagus Marauder

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Eph289's Builds

Build Overview and Focus

Last Updated: December 2025

One of the oldest, most-long held build guidelines in STO is to keep your energy weapons in a single flavor (e.g. Phaser) for an energy weapon build. Exotics and Kinetic builds didn't really care about that, but for an energy DPS build, a "rainbow" build was not good practice. It could be made to work, but it was building on hardmode.

Enter "Twinkling Lights" in 2025, a starship trait that adds a negative damage resistance reduction to targets you damage, scaling with the number of different flavors. There's a lot of deep math and janky interactions that I go into here, but the simple fact is that rainbow builds are more viable than ever.

Since they're more viable than ever, I wanted to make a practical example of how to utilize it, and this one's spicy. Not only are we using 6 different energy flavors, but we're using a mix of cannons and beams to milk those procs, set bonuses, and effects harder than ever. That means no Isomags or Spire consoles. Also, we're going to limit our budget to midrange, so basically the Legendary Battlecruiser bundle plus some toys. As for the platform, what better ship than on a Ferengi ship, with their unorthodox approach to warfare, especially with a particularly unconventional Ferengi, Rom, as the current Nagus? Let's dive in.

This is a midrange build with numerous C-store purchases up to 20K Zen and a 600M EC/400 Lobi limit but no lockbox ship or promo ships involved. See the build costs page for more detail.

Namesake

The current Nagus of the Ferengi, Rom, is an unorthodox leader, and while he often seems foolish at first, the fact is that his plans frequently work, despite being out of the box. Kind of like a rainbow build--unorthodox, but more viable than ever with the introduction of Twinkling Lights. This build uses all 6 flavors to show off the power of Rom's Rainbow.

Meta Analysis

ISA: 366K (solo, deathless)
ISE: 1276K (premade)
HSE: 1323K (premade)

Budget Analysis

Using the EZRA rubric, this build would cost 309 USD to replicate. That is far more than what I spent on STO to make it. If the cost looks daunting, don't worry! Lower-budget alternatives are provided below.

Elite Captain/T6X upgrade, all fleet unlocks
Legendary Battlecruiser Bundle, which provides a T6 ship token to be used on the Gagarin
2 other T6 C-store ships (Ahwahnee, Bozeman)
0 R&D Promotional, Lobi or Lockbox ships
1 Event ship (Vovin), 1 Event item (Pahvan set)
1 Giveaway ship (Nagus)
2 Lobi items (Delphic Applications Torpedo and Beam Bank), 1 Lobi trait
2 Lockbox consoles, 5 lockbox traits, 5 lockbox doffs, 1 lockbox boff ability, 1 lockbox boff
Reputation + fleet gear; all Mk XV Epic

Change History

December 2025: Released build

Build Breakdown

Mostly a DEW build but we can't describe anything using all 6 energy flavors (actually 7) as anything but themed.

Skills

Skill Unlocks

Notes

All weapon-centric builds benefit from the tactical ultimate, as weapon haste and bonus weapon damage from the Focused Frenzy active are appreciable when used on big targets. Applying the bonus to your team is also appreciated. I do not find the cooldown boost from Frenzied Reactions to be needed on a build with a good cooldown scheme.
Engineering skills
- Taking two Hull Capacity helps survivability and boosts Tyler's Duality as well. A point in Hull Restoration is useful for helping heals
- I always take a single point in Hull Plating, but other resistance skills and Damage Control are not worth it. Likewise, 2 points in Impulse Expertise is an appreciable boost to maneuverability. Warp Core Potential and especially Warp Core Efficiency help boost power to subsystems. Efficiency is particularly good at adding power to subsystems I am not allocating much power to.
- Improved EPS Power Transfer is essential for recovering power while firing energy weapons.
Science skills
- Single points in Shield Restoration/Shield Capacity are low opportunity cost for relatively high survivability gains. Since I need skill points elsewhere, only 1 here for those.
- A single point in Shield Regeneration has surprisingly large impact on shield regeneration based on recent research by Jay
- Since this character uses either Overwhelm Emitters, the Bajor Core, or Tetryon weapons on various builds, all of which scale with Drain Expertise, I take both points in DrainX. Two points in Control Expertise powers the Fragment of AI Trait on builds that use it on this toon.
- All energy builds should take maximum points in Long Range Targeting Sensors.
- The rest of the science skills are of little value on this build and are completely skippable.
Tactical skills
- Energy Weapon Training, Hull Penetration, Shield Penetration, Weapon Specialization, and Weapon Amplification are all worthwhile skills to take 3 points in as they boost energy weapon damage directly. Since I do have a torpedo and it does decent damage, 2 points in Projectile Weapon Training is a good choice.
- I like taking 2 points apiece in accuracy and defense. Defense is a small contribution to avoiding incoming damage but also helps reduce enemy crits when you're not moving and accuracy is just good all around, if not a stat that you'll need tons of.
- Coordination Protocols, Defense Coordination and Offensive Coordination are good team boosts so I always take those. They also benefit hangar pets on builds that have those. Improved Tactical Readiness is essential for reducing tactical cooldowns along with the rest of the cooldown scheme.
Unlocks
- There are two crucial unlocks: battery expertise (improves duration of consumable batteries) and threat control which either increases or decreases threat based on threatening stance.

This ship is a classic energy + 1 torpedo set up. It has absolutely zero investment into exotic damage, so I am not skilled at all into those.

Intel/Strategist is the best-in-slot choice for non-tank Energy builds. Intel provides substantial damage through flanking and Intel Fleet. Strategist likewise adds damage through Logistical Support, Maneuver Warfare, and Show of Force, as well as some damage reduction through Layered Defenses.

Build

Starship Weapons

Notes

If Beam Overload worked with Twinkling Lights, I'd consider swapping the Terran Beam to Terran Cannons and run CSV with the Lukari Beam under Beam Overload. Sadly, it does not as of this posting.

If the Pahvan Omni is not on the table, consider running a generic stat-stick console like the Assimilated Module over its console. You could run a 2-piece Omni like Trilithium there instead.

Starship Equipment

Notes:

I haven't found anything better to fill the last device slot with at this budget range. Kobayashi Maru would go there if you have it.

Starship Consoles

Set Bonuses

Notes:

If you don't have the Delphic set, consider swapping out for a Hyper-Refracting AP dual beam bank or just Wide Arc AP cannons. The torp could be just about anything good at that point, but most likely the Dark Matter torpedo.

Bridge Officers

Meta Notes

I'm sure there are more effective ways to leverage Twinkling Lights than using 2 rank 1 firing modes. However, we are here to embrace the jank, not run from it.

Traits

Personal Traits

Meta-Focused Tweaks:

If you really want to throw resources at this, replace Operative with Breen Shield Tunneling.

Budget Tweaks:

Context Is For Kings -> Accurate
Whole Lotta X's -> Redirected Armor Plating

Starship Traits

Meta-Focused Tweaks:

Thirst for Battle could be something better, like Cultural Conquest. Limited myself on this for budget reasons.

Budget Tweaks:

Not really getting much cheaper on this, but if you don't have the BC bundle:

Ship of the Line -> Improved/Superior Command Frequency
Thirst for Battle -> Unconventional Tactics

Reputation Traits

Active Reputation

Duty Officers

Meta-Focused Tweaks:

These are probably about as good as it gets.

Budget Tweaks:

If low budget

Swap the EWOs for Fabrication Engineers from the K-13 to boost skills, or a torp reloader. The PWOs that boost Crit are much cheaper and those would also be good replacements.

Miscellaneous

Cooldowns

It's yet another Boimler + Photonic Officer cooldown scheme. If it ain't broke, don't fix it.

LINK TO CDR SHEET

Ship Stats

Keybinds

With as many abilities and synergizing concepts as this ship employs, an efficient control scheme is essential. There are many ways to set up such a ship, so I don't pretend to assume that my way is superior. For this one, I simplified it and only use 3 keybinds.

Main spambar: (Spacebar, trays 1 and 3) Fire at Will, Aux to Structural, Photonic Fleet, Attack Pattern Alpha, Emergency Power to Engines, Deploy Construction Shuttle Wing, Go Down Fighting, Emergency Power to Weapons, Cannon Rapid Fire, Vulnerability Assessment Sweep, Tractor Beam
Torpedo combo: (1 key) Torpedo Spread I; Fire Torpedo. Manual keybind to activate torpedoes. I generally leave the torpedo auto-firing, but sometimes STO is slow to fire the torpedo even when it's off cooldown and the spread is armed. I fire this every 10 seconds after FAW is triggered to get my FAW from Entwined Tactical Matrices.
[5] is a special keybind specifically for the Subspace Fracture Tunneling Field off of the Vovin. The specific key sequence I use has that console on a tray by itself, wrapped in a command to deselect the target, as I generally don't want to use the teleport, as it's very disorienting, especially on HSE. Thus, the row for that in the keybind file is "+TrayExecByTray 4 1 $$ target_clear". If I want to use the teleport, I just hit it manually.

Piloting

I start with basic combos for the first 3 cubes. I will use all of my longer cooldown buffs in the first fight as well as Tachyon Net Drones, and FPNA. Trigger Evasive Maneuvers to fly over to the left transformer and fire off all major abilities while at 1/4 impulse or stopped within 2 km of the transformer. FAW should take care of most targets. Once 2-3 of the generators are down, target the transformer with Focused Frenzy and Fire On My Mark. Be careful in timing EPtE here, as you'll need it to reset your Evasive Maneuvers. Ideally you activate EPtE here to reset the cooldown on Evasive and it's still active to fly to the right. I rotate to face inward toward the gate.

When the transformer is less than 5%, fly towards the ball of spheres and give them a torpedo spread and cycle or two of firing. Once they start thinning out, Evasive Maneuvers again with Deuterium (reset due to Emergency Power to Engines) and head to the right side. Rinse and repeat, then Evasive Maneuvers again to fly between the Tactical Cube and Gateway. Make sure to flank the Tactical Cube. Frenzy and Fire On My Mark should be available here again. If it's ISA, this is where you use FPNA the second time as well as Agony Redistributor. Lastly, don't forget to summon your Delta Alliance Beacon/Nimbus Pirates. In an average ISE run, I can get two off: one at the start and one at the end.

The importance of Crit and Flanking cannot be oversold. I saw significant increases in DPS from boosting Crit in doffs and traits. On my record runs, my weapons were parsing between 80-90% with roughly 40% flank percentage. There are players with better gear and piloting skills than I who've achieved much, much higher percentages, but I will say broadly that when in doubt, add crit. Since flanking includes extra crit chance/severity with Intel, you can't go wrong with flanking either! Look for the downward pointing arrow on your target.

Parse Breakdown

Parse notes from record ISE.

Pahvan Proton Beam Array: 235,723
Call Emergency Artillery III: 177,240
Delphic Distortion Torpedo: 76,225
Advanced Piezo-Plasma Dual Cannons - Rapid Fire I: 63,622
Overcharged Delphic Antiproton Dual Beam Bank: 59,236
Tachyon Net Drones: 60,268
Terran Task Force Phaser Beam Array - Fire at Will: 49,561
Technical Overload: 48,021 <-- This is why we run Lukari weapons
Disruptor Wide Angle Dual Beam Bank: 39,674
Disruptor Wide Angle Dual Beam Bank - Fire at Will II: 35,946
Terran Task Force Phaser Beam Array - Fire at Will II: 35,564
Overcharged Delphic Antiproton Dual Beam Bank - Fire at Will II: 32,846
Digital Compilation Field: 31,027
Tetryon Beam Array - Fire at Will I: 29,877
Disruptor Wide Angle Dual Heavy Beam Bank: 26,855
Advanced Inhibiting Polaron Heavy Turret - Rapid Fire I: 24,855
Advanced Piezo-Plasma Dual Cannons - Scatter Volley I: 24,161
Advanced Piezo-Plasma Dual Cannons - Rapid Fire II: 23,717
Overcharged Delphic Antiproton Dual Beam Bank - Delphic Capacitor Overload: 23,698
Terran Task Force Phaser Array: 23,192
Tetryon Beam Array - Fire at Will II: 20,047
Tetryon Array: 19,425
Advanced Piezo-Plasma Dual Cannons: 13,983
Pahvan Proton Array - Overload I: 11,646
Advanced Inhibiting Polaron Heavy Turret - Scatter Volley I: 11,353
Concentrate Firepower III: 11,324
Delta Distress Beacon: 11,264
Advanced Inhibiting Polaron Heavy Turret: 8,228
Advanced Inhibiting Polaron Heavy Turret - Rapid Fire II: 7,471
Phaser Wide Angle Dual Beam Bank - Fire at Will II: 7,232
Distributed Targeting: 6,956
Terran Task Force Phaser Array - Overload I: 6,627
Overcharged Delphic Antiproton Dual Beam Bank - Overload I: 6,062
Anti-Time Entanglement Singularity: 5,256
Disruptor Wide Angle Dual Heavy Beam Bank - Overload I: 5,065
Concentrate Firepower: 1,150
Counter-Offensive: 547
Withering Radiation: 544
Tractor Beam I: 494
Dual Phaser Cannons - Rapid Fire III: 315
Phaser Cannon - Rapid Fire III: 209
Tetryon - Shield Destabilization: 51

Wow, that's a mess. Let's clean it up and show how each of the weapons did, collated. Recall that the Pahvan beam is insane under AOE modes so we expect that to be king.

Pahvan Omni: 247,369
Lukari Adv. Piezo-Plasma Cannons: 173,505, including Technical Overload
Overcharged Delphic Antiproton Dual Beam Bank: 121,842 and it brings a nice 2-piece. Not too bad at all
Terran Task Force Phaser Beam Array: 114,945. Obviously a bit limited since we chose the beam over the cannons
Wide Angle Heavy Disruptor Dual Beam Bank: 107,540, but remember it brings a strong 2-piece
Delphic Distortion Torpedo: 87,549, including Concentrate Firepower, and remember this gets us Super Charged Weapons, a 2-piece, and a whole bunch of -DRR.
Tetryon Omni: 69,350
Adv. Polaron Inhibiting Turret: 51,908. Clearly the weakest link as the sole turret mostly firing CRF

Weapon crits were around 80%, flanking about 30% for energy weapons. Could've been better but I'm happy with the overall results. Team composition was this ship, 1 support tank, and 3 supports.

Portability

Best candidates for this are the Legendary Scimitar or Legendary Negh'Var. Both of those are Intel ships, so you're dropping Call Emergency Artillery to pick up either Ionic Turbulence III, fitting in Attack Pattern Beta in the vacated Lt seat on the Scimitar, or another Uncon Trigger like Jam Sensors on the Negh'Var, or you could just go with Surgical Strikes instead, and the reward for those of you who've read this far is that one of those platforms will be my next rainbow platform.

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