Fission Trait Guide
Source-backed UTDX trait page for Fission: listed chance, rarity, effect, reroll note, and units that currently recommend it.
Trait effect
+15% Damage, -15% Cooldown, +25% Range, inflicts Radiation DoT
High-value trait. Review unit fit before rerolling.
Reroll decision
- Check whether the unit is a long-term carry, support, or utility pick.
- Compare this trait against the unit's role and imported tier state.
- Do not chase low odds on a temporary unit just because the trait is rare.
Best fit summary
Fission currently appears on 1 imported unit recommendation rows. None of the matched rows are S++ or S+ in the imported tier context.
When not to chase
- Do not chase Fission on a temporary unit just because the rarity looks strong.
- Do not reroll away a role-fit trait unless the target unit is already worth long-term investment.
- Recheck after Update 3.0 before spending heavily on borderline tier rows.
Units recommending Fission
These rows come from the current imported unit data. Missing matches are not invented.
Fission Trait FAQ
Short answers for effect, odds, and reroll priority.
What does Fission do in Universal Tower Defense X?
Fission is listed as a Mythic trait with this effect: +15% Damage, -15% Cooldown, +25% Range, inflicts Radiation DoT
What is the chance for Fission?
The imported source-backed chance for Fission is 0.15%.
Should I keep Fission?
Fission is a high-rarity trait, but it should still be kept only when it fits a long-term unit role.
Which units use Fission?
Prodigy Mage (Apprentice) currently list Fission as a recommended trait in the imported unit data.