Iron Billionaire is among the finest units of Secret rarity in Universal Tower Defense Z. Introduced by Update 4.0, this character gives an income boost based on allies with the “Farm” Tag in his range. After being evolved to Iron Billionaire (Genius), he receives an Active Ability that gives him three distinct Battle Modes, including an Assist mode that summons two clones on the battlefield.
Inspired by Iron Man from Marvel Comics, here’s how you can obtain the Iron Billionaire and use his high-tech weapons to obliterate enemies.
How to get Iron Billionaire in Universal Tower Defense Z


Iron Billionaire is one of three units that can be acquired as a reward after completing the Crime Fighting Extraction level. Similar to Human Spider in Universal Tower Defense Z, you have a 25% chance of obtaining him upon clearing the specific map.
In the Crime Fighting Extraction, you have to play as a superhero and complete different tasks like delivering pizzas, defeating criminals, and investigation activities that lead to supervillains. Filling the objective bar up to an extent will unlock mini-bosses, which will spawn at random points in the map.
Ultimately, you have to beat the Symbiotic Alien main boss and escape from one of the extraction zones to secure rewards. Apart from units, completing this Extraction level gives diverse equipment and evolution items.
How to evolve Iron Billionaire in Universal Tower Defense Z


Iron Billionaire evolves into Iron Billionaire (Genius) in Universal Tower Defense Z. To make this transformation, select him in the Evolutions menu and hit the Evolve button after acquiring all the mentioned materials:
- 4x Universal Fragment
- 6x Sky Fragment
- 12x Holy Fragment
- 1x Heart Reactor
- 25,000 Gold
Fragments are rewards for finishing Challenges and specific Acts in the Legend Stage. They can also be bought from the Merchant with Gold, a currency acquired by clearing levels across most gamemodes.
The Heart Reactor item is exclusively available from Crime Fighting Expedition.
All passives of Iron Billionaire (Genius) in Universal Tower Defense Z


Iron Billionaire (Genius) makes Takedowns to increase his Pulse Charge and get boosted damage. He is also capable of making Follow-Up Attacks and Synchro Charge with Human Spider (Responsible) to become Mechanical Spider.
Here are all the passive abilities of Iron Billionaire (Genius):
Genius Billionaire Philanthropist
- Iron Billionaire (Genius) gives a 20% income boost for every Farm unit in his range.
Advanced Weaponry
- On Attack, the unit has a 50% chance [or 75% on Etherealization 2] to do a Follow-up Attack.
- On Follow-up Hit, the unit applies Plasma for 10 seconds.
- While inflicted with Plasma, enemies take +40% Damage from Light units and also get a 20% Slow (at Etherealization 2).
- Enemies take +20% Damage from other elements.
- Shielded enemies lose +1 Shield for each hit.
Superficial Arc Reactor
- On Takedown, the Iron Billionaire (Genius) gets +5% Pulse Charge
- At 100% Pulse Charge, he receives +250% Damage [or +350% on Etherealization 4] for the next Attack.
- For every Takedown with this Attack, get +5% DoT (cap: +50%).
Form Adaptation (Active Ability)
- Active Ability unlocked on the final upgrade.
- After using this ability, you can choose one of the three Battle Modes for Iron Billionaire (Genius) to enter.
Here are all Battle Modes available from the Form Adaptation ability:
Offense
- +50% Damage
- +25% Range
- 15% SPA
- On Attack, the unit applies Burn for 25% Damage over 5 ticks.
Defense
- For every ally in this unit’s range, he gets:
- 27.5% Damage
- 22.5% Range
- -17.5% SPA
- When an enemy leaves this unit’s range, he applies Confusion on them for 2 seconds (once per enemy).
Assist
- Summon two Iron Assist units.
- The units will deal 25% Damage and copy this unit’s stats.
- The units will sync their Attack with this unit.
Also check: Universal Tower Defense Z Cat Captain (Yoruichi) guide
FAQs on Universal Tower Defense Z
What is the spawn cost of Iron Billionaire?
You must have 1000 Yen to spawn this character.
What are the Tags possessed by Iron Billionaire?
This unit has the Hero and Summoner Tags.
What is the Placement Type of Iron Billionaire?
The Iron Billionaire is a Hill-type unit. Instead of the ground, it can only be deployed on hills and elevated structures.
Edited by Spandan “IHawk” Chatterjee











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