Universal Tower Defense Item | UTD Codes

Universal Tower Defense Items list covering evolution fragments, farming paths, and the Universal Fragment recipe.
Jan 7, 2026

Category overview

Items are mostly evolution fragments used to upgrade units. This page focuses on the eight fragment entries, how to obtain them, and a quick map-based farming reference.

Quick takeaways

  • All eight fragments are evolution materials; Universal Fragment works across every evolution path.
  • Legend Stages in Story Mode are the main farm routes, and higher difficulty modifiers improve drop odds.
  • Gold Merchant stock is limited and refreshes every 24 hours; inventory rotates but Universal Fragment is consistently listed.
  • Virtual Shop trades Virtual Tokens earned in Virtual Realm and has unlimited stock (fragments cost 4 tokens, Universal Fragment costs 20).
  • Daily/weekly challenges can award fragments; standard fragments are higher odds than Universal Fragment (about 20% vs 10%).

Items table

EntryDescription
Universal Tower Defense Items - Burning Fragment evolution shard Burning FragmentFlame-tuned shard used for Admiral, Spade, and Cyborg evolutions.
Universal Tower Defense Items - Frozen Fragment icy shard Frozen FragmentIce fragment required when evolving Kriatru and Cyborg.
Universal Tower Defense Items - Holy Fragment sacred shard Holy FragmentLight-aligned shard tied to Berserker's evolution.
Universal Tower Defense Items - Ocean Fragment sea shard Ocean FragmentSea-charged fragment used by Shunks, Admiral, and Spade.
Universal Tower Defense Items - Petal Fragment bloom shard Petal FragmentNature shard used for Psycho and Shunks evolutions.
Universal Tower Defense Items - Phantom Fragment ghost shard Phantom FragmentShadowy fragment used to evolve Sasuku and Berserker.
Universal Tower Defense Items - Sky Fragment sky shard Sky FragmentSky-aligned fragment used for Psycho and Shakumira.
Universal Tower Defense Items - Universal Fragment core shard Universal FragmentCore fragment required by every evolution path.

Evolution targets by fragment

FragmentEvolves
Burning FragmentAdmiral, Spade, Cyborg
Frozen FragmentKriatru, Cyborg
Holy FragmentBerserker
Ocean FragmentShunks, Admiral, Spade
Petal FragmentPsycho, Shunks
Phantom FragmentSasuku, Berserker
Sky FragmentPsycho, Shakumira
Universal FragmentAll evolutions

Acquisition methods

Story Mode (Legend Stages)

Each fragment has specific Story Mode Legend Stages where it can drop. Farming on higher difficulty modifiers improves your odds.

Gold Merchant

Gold Merchant inventory is limited and refreshes every 24 hours. The stock rotates each refresh, with Universal Fragment always present.

Virtual Shop

Virtual Shop uses Virtual Tokens earned in the Virtual Realm. Stock is unlimited. Standard fragments cost 4 tokens; Universal Fragment costs 20 tokens.

Challenges

Daily and weekly challenges can drop fragments. Standard fragments list roughly 20% drop odds, while Universal Fragment is closer to 10%.

Drop map quick reference (Legend Stages)

MapStage 1Stage 2Stage 3
Ninja ForestBurning, PetalFrozen, SkyPetal, Sky
Marine BaseBurning, OceanBurning, OceanOcean, Petal
Hollowed MoonBurning, HolyFrozen, PhantomHoly, Phantom

Universal Fragment spotlight

Universal Fragment is the core evolution ingredient and has multiple acquisition paths:

  • Crafting NPC in Prison: combine 1 each of Petal, Ocean, Burning, Holy, Sky, Phantom, and Frozen fragments.
  • Store bundle: part of the Ascension bundle (1499 Robux).
  • Gold Merchant: limited stock on a 24-hour refresh (5000 Gold).
  • Virtual Shop: unlimited stock for 20 tokens.
  • Challenges: daily/weekly drops at about a 10% chance.

Additional materials (community list)

Community item lists also mention extra evolution materials. Rates can shift per update, so verify in-game when possible.

MaterialEvolution usesWhere to get (summary)
Slime SwordShadow (Atomic), Jingliu (Awakened)Hidden Sand Village story acts; ~5% on Easy, ~10% on Hard; drops 1-2.
RuneJohe (B-Rank), Blade (Enhanced), Jinwoo (Monarch)Hidden Sand Village bosses on Infinite; ~15% chance; drops 1-4.
KeyJinwoo (Monarch)Hidden Sand Village bosses on Infinite; ~10% chance; can also drop in Virtual Realms.
EyeGojo (Honored)Hidden Sand Village bosses in Virtual Realms at a low chance.
Demon Lord SeedRimura (Demon Lord)Hollowed Moon; ~50% on Easy, 100% on Act 3 Hard+.