- Undealt Thalen build centers on his druid mechanic: transform into enemies and copy their attacks.
- Gear affixes: prioritize shapeshift duration, transformation damage, and survivability.
- Best skill route: unlock shapeshift upgrades first, then scaling nodes.
- Card synergy: Rule Rewrite cards like Extra Turn multiply copied-attack value.
- Playstyle: intermediate difficulty, strongest in sustained fights against elite enemies.
Thalen Build Overview: How the Druid Works
Thalen is one of Undealt's two playable DLC characters, alongside Lyriel. Unlike the four base heroes who fill fixed party roles, Thalen is a druid whose signature mechanic is transforming into enemies and copying their attacks. This makes his build decisions unusually dynamic: his effective power in any battle depends partly on what he is fighting.
Because Undealt is an auto-battling idle RPG, Thalen's transforms resolve automatically. Your job as the player is to set up his gear, skills, and cards so that each transformation lasts longer, hits harder, and triggers more often.
| Thalen Trait | Detail | Build Impact |
|---|---|---|
| Role | DLC druid / adaptive fighter | Flexible slot in the four-hero party |
| Core mechanic | Shapeshift into enemies, copy attacks | Power scales with enemy type |
| Damage type | Copied enemy attacks + nature magic | Hybrid, changes per fight |
| Best content | Elite and boss fights | Rare enemies drop the strongest copied attacks |
| Difficulty | Intermediate | Requires affix and card knowledge |
Thalen's copied attacks inherit enemy strength. The deeper you push stages, the stronger the enemies — and the stronger Thalen becomes. Expect a modest early game and a steep power curve in the endgame.
Best Thalen Builds: Top 3 Loadouts
These three loadouts cover the main ways to build Thalen, from safe idle farming to aggressive endgame bossing.
Shapeshift Duration (Idle Pushing)
- Affixes: Transform Duration, Cooldown Reduction, Max HP
- Goal: stay transformed nearly full-time while AFK
- Strength: consistent, hands-off progression
- Weakness: lower burst damage
Copy Damage (Endgame Bossing)
- Affixes: Transformation Damage, Attack Speed, Crit Chance
- Goal: burst elite enemies with their own attacks
- Strength: enormous single-target damage
- Weakness: squishy between transforms
Guardian Druid (Balanced)
- Affixes: Max HP, Damage Reduction, Effect Potency
- Goal: frontline durability with steady copied hits
- Strength: survives high stages
- Weakness: slower clear speed
| Loadout | Best Scenario | Gear Priority | Card Priority | Difficulty |
|---|---|---|---|---|
| Shapeshift Duration | Idle pushing | Duration, CDR, HP | Extra Turn, Guardian Aegis | Beginner |
| Copy Damage | Endgame bosses | Transform Damage, Crit, Attack Speed | First Strike, Offensive Surge | Advanced |
| Guardian Druid | High-stage survival | HP, Damage Reduction | Guardian Aegis, Loot Whisperer | Intermediate |
Do not split affixes between duration and damage too early. Pick one direction per gear set — a half-invested transform build underperforms both pure loadouts.
Thalen Skill Route: Step-by-Step Setup
Skill points are scarce in Undealt, and Thalen punishes misallocation more than most heroes because his whole kit hangs on the shapeshift mechanic.
Unlock Shapeshift First
Thalen's transformation is his engine. Unlock the base shapeshift and its first upgrade before anything else. Without it, he plays like a generic nature caster with weak scaling.
Invest in Transform Duration
Add points to duration nodes second. Every extra second transformed is free copied damage and removes his vulnerable caster downtime.
Take Copy Scaling Nodes
Once transforms are reliable, invest in nodes that amplify copied attack power. This is where the endgame damage curve kicks in.
Add Survivability Filler
Spend remaining points on HP and damage reduction. Transformed Thalen still takes hits, and dying mid-transform wastes the entire cooldown.
Revisit After Milestones
Each new skill tier unlocked at stage milestones can change optimal allocation. Recheck your route whenever a new tier opens.
If you heavily invested in early nature-magic nodes before committing to shapeshift, a respec is worth it once transform upgrades become available. The copied-attack scaling outpaces the caster kit decisively.
Gear and Card Synergies for Thalen
Gear affixes and rule-breaking cards are where a good Thalen build becomes a great one. Cards that rewrite battle rules interact powerfully with a hero whose attacks change every fight.
| Synergy Piece | Effect on Thalen | Source | Priority |
|---|---|---|---|
| Rule Rewrite: Extra Turn | Copied attacks can trigger follow-up actions | Stage progression, chests | ★★★★★ |
| Rule Rewrite: First Strike | Opens fights with an enemy's own attack before it acts | Stage progression, events | ★★★★★ |
| Offensive Surge | Flat multiplier on top of copied damage | Card pool | ★★★★ |
| Guardian Aegis | Shields Thalen during vulnerable caster windows | Card pool | ★★★★ |
| Loot Whisperer | No combat effect, but speeds gear farming for his affixes | Card pool | ★★★ |
| Gear Affix | Best Loadout | Where to Get | Notes |
|---|---|---|---|
| Transform Duration | Idle Pushing | Forged rare+ gear | Reroll with Cursed Essence only on good bases |
| Transformation Damage | Copy Damage | Elite drops | Never reroll blue or lower items |
| Crit Chance / Crit Damage | Copy Damage | Elite drops, forge upgrades | Multiplies copied hits |
| Max HP / Damage Reduction | Guardian Druid | Salvage-material crafts | Enables frontline duty |
| Cooldown Reduction | All loadouts | Varied | Closes transform downtime gaps |
Follow the general Undealt forge rule: weapons for damage dealers first — but for Thalen, treat duration and CDR affixes as his "weapon." Scrap Metal is used in nearly every early recipe and should never be sold, so salvage white and green gear aggressively to fund his rerolls.
Thalen Progression Checklist
Thalen Build Milestones:
- Unlock and upgrade the base shapeshift skill
- Complete a full duration-focused gear set
- Obtain one Rule Rewrite card (Extra Turn or First Strike)
- Clear a deep-stage elite without party support
- Assemble a Copy Damage second gear set for bossing
Some endgame boss drops are tradeable on the real Steam Community Market. Before salvaging any rare Thalen gear, check current market prices — some tradeables sell for genuine Steam Wallet value and are worth listing instead of dismantling.
FAQ
Q: Is Thalen worth getting as a DLC character in Undealt?
Yes, if you enjoy adaptive playstyles. His copied-attack mechanic scales with enemy strength, so he grows stronger the deeper you push stages, making him one of the best late-game picks despite a modest start.
Q: What is the best Undealt Thalen build for idle farming?
The Shapeshift Duration build. Stack Transform Duration and Cooldown Reduction affixes so Thalen stays transformed almost permanently, clearing stages reliably while the game runs unattended in the corner of your screen.
Q: Which cards should I pair with a Thalen build?
Rule Rewrite: Extra Turn and Rule Rewrite: First Strike are the top picks, since they multiply copied attacks and let Thalen open fights with an enemy's own move. Offensive Surge and Guardian Aegis are solid secondary choices.
Q: Should Thalen replace one of the four base heroes?
Thalen works best replacing the hero whose role overlaps least with your current weakness. If your frontline holds but damage stalls, slot him as a damage dealer; if damage is fine, his Guardian Druid loadout can shore up survivability.