Here’s the complete guide to Universal Tower Defense X farming gems, gold, XP, and rerolls. I have listed all the best ways to farm these items and currencies.
Universal Tower Defense X Farming Guide
This guide breaks down the most efficient ways to farm resources in Universal Tower Defense X. Everything is kept simple so you can quickly understand what actually matters without unnecessary complexity.
Best Way to Farm Gold, Gems, XP, and Rerolls in UTDX
Unit XP Farming
The main way to gain Unit XP is by fusing other units. A few important things affect how this works:
- Fusing units is the only reliable method for gaining Unit XP.
- Shiny units do not give extra XP when used for fusion.
- Unit etherealization does not improve XP gain, so avoid doing it if you plan to fuse the unit later.
- Unit level has no impact on XP received from fusion.
XP gained depends on unit rarity:
- Rare: 172 XP
- Epic: 344 XP
- Legendary: 1,700 XP
- Mythic: 5,100 XP
- Exclusive: 5,100 XP
- Secret: 5,100 XP
Player XP Farming
Player XP does not include VIP or any additional XP boosts, so these values are base gains.
- Ragna Challenge: 320 XP per clear
- Virtual Realm: over 500 XP per clear
- Story Mode (any difficulty): over 100 XP per clear
- Quests: daily and weekly quests give a solid amount of XP overall
Battlepass XP
- Infinite mode on 75% difficulty meter provides steady progress
- Any map with infinite mode enabled can be used for Battlepass XP farming
Gold Farming Guide
- The most consistent gold income comes from selling units and AFK farming methods.
- Selling Units Method
- Selling units is the primary source of gold income.
- Shiny units give double gold when sold compared to normal units.
- Etherealizing units does not increase gold earned from selling.
- Unit level has no effect on gold value.
Gold values by rarity:
- Rare: 100 Gold
- Epic: 250 Gold
- Legendary: 500 Gold
- Mythic: 2,000 Gold
- Exclusive: 4,000 Gold
- Secret: 5,000 Gold
AFK Gold Method
- Perfect Arena Ultraboss Tier 4 Portals give around 9,300 Gold per completion
Trait Rerolls Farming Guide
Merchants & Portals Shops
- Gold Merchant: rotates 5 Trait Rerolls available for purchase
- Virtual Merchant: 5 Virtual Tokens = 1 Trait Reroll, up to 100 total (restock unknown)
- Perfect Arena: 30% chance to drop 1 Trait Reroll (cap assumed 65, resets daily)
- Ultraboss Shop: 100 Trait Rerolls, resets weekly
- Kitsunox Struggle: 25% chance for 1 Trait Reroll (cap ~65, resets daily)
- Kitsunox Ultraboss Shop: 200 Trait Rerolls, resets weekly
Raids
- Shinobi Shop: 100 Trait Rerolls, resets weekly
- Shinobi Bossrush: 5% chance for 1 reroll (50 cap daily)
- Hollowed Shop: 100 Trait Rerolls, resets weekly
- Hollowed Bossrush: 5% chance for 1 reroll (50 cap daily)
- Crimson Shop: 100 Trait Rerolls, resets weekly
Challenges
- Daily Challenge: 5–20 Trait Rerolls per run
- Half Hourly Challenge: 1–3 Trait Rerolls per completion
- Olympus Judgement: capped at 65 rerolls, 30% chance to drop 7 per run
- Frozen Stronghold: capped at 65 rerolls, 30% chance to drop 7 per run
Events
- Ragnarok Shop: 100 Trait Rerolls (no reset)
- Shinobi Event Shop: 5 War Coins per reroll, max 5 daily
- Beru Event Raid: 30% drop chance, cap 65 (resets daily)
- Beru Missions: 35 Trait Rerolls daily
- Sorcerer Ascension: unlimited rerolls from event shop
- The Devil Within: 100 Trait Rerolls (no reset)
- Devil Capsules: 5% chance for 1–2 rerolls
Gems Farming Guide
Active Farming
- Daily Challenge: 2,000 Gems per completion
- Half Hourly Challenges: 2,500 Gems per completion
- Universal Tears: 1,000 Gems per completion (only while challenges are active)
AFK Farming
- Universal Tears: AFK limit is 3 hours, 1,000 Gems per completion
- Olympus Judgement Featured Challenge: 580 Gems per completion
- Perfect Arena Ultraboss Tier 3 Portals: 350 Gems per completion
- If Ragnarok Featured Challenge cannot be AFK farmed, prioritize the above AFK methods instead
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