Best Trait for Gen - Universal Tower Defense X

EternalRecommended trait

DPSRole

DPS BTier

1Traits compared

Gen trait media context

Game visuals and public meta videos to help you pick a trait for Gen.

Universal Tower Defense X gallery image for Gen trait context — Trait planning media

Universal Tower Defense X gameplay gallery image — Gameplay snapshot

BEST Update 2.75 Tier List in Universal Tower Defense X!!! (Roblox) video thumbnail

BEST Update 2.75 Tier List in Universal Tower Defense X!!! (Roblox) DomiBlox · 17:09 · 72.1K views · 2026-05-01

ULTIMATE 2.75 Overall Tier List – Universal Tower Defense X (Best Meta Units) video thumbnail

ULTIMATE 2.75 Overall Tier List – Universal Tower Defense X (Best Meta Units) Tuki · 13:51 · 52.2K views · 2026-05-03

Ranking Every *NEW* Unit in Universal Tower Defense X Update 2.5! | META Tier List! video thumbnail

Ranking Every *NEW* Unit in Universal Tower Defense X Update 2.5! | META Tier List! noahbamboah · 15:10 · 34.5K views · 2026-04-27

Trait source and reroll rules

Traits are rolled using Trait Reroll Stones (earned through gameplay) at the Traits NPC inside building near parking lot. Eternal is the trait to aim for on Gen.

Reroll guide All traits Unit builds hub

Unit context links

Compare trait picks for Gen with other DPS and Legendary units.

Recommendation

Eternal is the recommended trait for Gen. Start there before reroll spending.

Gen is a DPS unit, so trait, relic, and evolution decisions should protect damage uptime first.

Reroll checklist

Medium priority: compare role fit and account needs before spending expensive rerolls.
Compare the trait effect to Gen's role before spending Trait Reroll Stones.
Stop rerolling once the trait fits the role; chasing very low odds rarely pays off.

Recommended trait details

Odds and effects for the trait picks listed for Gen.

Eternal

-20% Cooldown, +2% Damage per wave (50% cap), +1% Range per wave

Mythic 0.2%

High-rarity traits to compare

The strongest Legendary and Mythic traits with their odds and effects, so you can match one to Gen.

Astral

+20% Affliction Duration, -20% Cooldowns, +15% Range, stacking DoT, 1 unit limit

Legendary 0.45%

Sacred

+25% Damage, -10% Cooldowns, +25% Range, -15% Cost

Legendary 0.3%

Fission

+15% Damage, -15% Cooldown, +25% Range, inflicts Radiation DoT

Mythic 0.15%

Ruler

+200% Damage, -20% Cooldown, +30% Range, 1 unit limit

Mythic 0.1%

Trait odds by rarity

Roll chances for every trait, so you know what a reroll is likely to give Gen. Higher-rarity traits roll far less often, so match the trait to the unit before you spend stones.

Rarity	Traits and roll chances
Common	Enhanced 29.67%, Agile 24.98%, Precise 24.98%
Uncommon	Prodigy 9.99%, Lethal 5%
Rare	Deadeye 2.5%, Lightspeed 1.5%, Fortunate 1%
Epic	Duelist 0.8%, Artificer 0.65%, Wizard 0.5%
Legendary	Astral 0.45%, Sacred 0.3%
Mythic	Eternal 0.2%, Fission 0.15%, Ruler 0.1%

Same-role trait checks

See which traits other DPS units run, so Gen's pick lines up with similar units.

Same-rarity trait checks

Other Legendary units to weigh before you commit rerolls; rarity is not the only rule.

Gen guide

Return to the unit profile and related units.

All traits

Compare odds, effects, and rarity groups.

Trait reroll guide

Use the reroll checklist before spending stones.

How to get Gen

Check how to obtain or evolve it before investing.

Best relic for Gen

Match relic effects after the trait decision is clear.

Best Trait for Gen FAQ

Short answers for trait fit and reroll spending.

What is the best trait for Gen?

Eternal is the recommended trait for Gen.

Should I reroll Gen?

Medium priority: compare role fit and account needs before spending expensive rerolls. Confirm the unit role and account need before spending Trait Reroll Stones.

Is Gen a DPS or support trait target?

Gen is a DPS unit, so trait, relic, and evolution decisions should protect damage uptime first.