Introduction
The latest Update 4 for Universal Tower Defense Z has arrived, and it’s packed with universal tower defense z new units that are shaking up the meta. With 25 new units to collect, this is the biggest update in the game’s history, offering fresh strategies and challenges. Whether you’re a veteran player or just starting, knowing where and how to get these universal tower defense z new units is essential for building a powerful roster.
This guide breaks down every new unit category, their locations, drop rates, and the best farming methods. Based on community reports and player experiences from the recent update, we cover secret units, mythic additions, exclusive summer event units, and the new skin system. By the end, you’ll have a clear roadmap to complete your collection.
Overview of Update 4 and Its New Units
Update 4 is described by players as the largest content drop for Universal Tower Defense Z to date. It introduces a wide array of universal tower defense z new units across four main rarity tiers: secret, mythic, unrivaled, and exclusive. The update also brings new game modes, synchro drives, and a cosmetic skin system that adds variety to character appearances.
According to the YouTube creator ABPlays, there are approximately 24 to 25 obtainable units in this update. These are spread across different activities, from story mode acts and raids to special event capsules and summoning banners. Below is a quick overview of the unit categories.
| Category | Number of Units | How to Obtain |
|---|---|---|
| Secret Units | 10 | Specific game modes, extractions, expeditions, summons |
| Mythic Units | 9 | Banners, Castle of Greed, extractions |
| Exclusive Summer Units | 2 | Summer event capsules |
| Unrivaled Units | 1 (Visionary) | Summon area with very low drop rate |
Player experience suggests that some units have overlapping classification—like Visionary being both unrivaled and considered mythic—so this table reflects the general breakdown seen in the community.
Secret Units and Their Acquisition Methods
Secret units are among the most sought-after universal tower defense z new units in Update 4. Each one requires specific strategies, from completing story acts to farming challenging game modes. Based on the video source and community reports, here is a detailed table of where to find each secret unit.
| Secret Unit | How to Obtain | Game Mode / Location | Key Notes |
|---|---|---|---|
| Drill Hero Spiral | Complete Beast Desert Act 3 final stage | Beast Desert | Must finish the last stage of this act |
| Ice Queen White Haze | Evolve from base Rukia via banner summon | Banner evolution | Requires obtaining Rukia first |
| Flame Captain Embers | Drop from Reaper City Raid final stage | Reaper City Raid | Likely Yamamoto character |
| Light Prince Ascension | Drop from Hollow Destroyer vs Reapers | Hollow Destroyer vs Reapers | Believed to be Oriu based on player reports |
| Yuhabach | Obtain from Universal Tear rift | Universal Tear | Random drop from completing the rift |
| Human Spider | Drop from Extractions | Extractions game mode | 95% drop rate (very common) |
| Iron Billionaire | Drop from Extractions | Extractions game mode | 25% drop rate |
| Symbiotic Alien | Drop from Extractions | Extractions game mode | 15% drop rate |
| Trickster Phantom | Expedition game mode with pity | Expedition game mode | Guaranteed after 8 completions |
| Visionary Unrivaled | Summon area | Summon area | Extremely rare — 0.005% chance |
For farming efficiency, focus on Extractions first. The video highlights that Human Spider has a near-guaranteed 95% drop rate, making it the easiest secret unit to add to your collection. Iron Billionaire and Symbiotic Alien require a bit more patience, but running Extractions repeatedly will yield them over time. Trickster Phantom is also secure thanks to its 8-run pity system.
Mythic Units Breakdown
The mythic category includes several new powerful additions that can be summoned or earned through gameplay. These universal tower defense z new units provide strong defensive capabilities and synergize well with existing lineups. Below is a table of mythic units and their sources.
| Mythic Unit | Source | Additional Information |
|---|---|---|
| Body Captain | Banner summon | Part of the standard banner rotation |
| The Terror | Banner summon | Available in premium banners |
| Cat Captain | Banner summon | Mythic from banner summons |
| Zombie Apostle / Corpse Maiden | Banner summon | Possibly one unit with two names |
| Fatality | Banner summon | Mythic from banner |
| Visionary | Summon area | Technically unrivaled but grouped as mythic |
| Three unknown mythics | Castle of Greed in Extractions | Found in the same extractions mode |
According to the video, six or seven of the nine mythic units come directly from the banner system. The remaining three are obtainable from the Castle of Greed sub-mode within Extractions. This makes Extractions a double-duty farming spot, since it also drops secret units.
Player experience indicates that Visionary is technically an “Unrivaled” tier unit, but its rarity and function place it alongside mythics in practice. Keep in mind that banner summons are gacha-based, so budget your gems accordingly.
Exclusive Units from Summer Event
The summer event introduces time-limited exclusive universal tower defense z new units that can only be obtained during the current update period. These units come from the summer capsules, which require event currency.
| Exclusive Unit | How to Get | Event Details |
|---|---|---|
| Ash and Valkyrie | Summer capsules | Earn currency from summer event game mode |
| Asura and Wrath | Summer capsules | Same method as above |
To farm these units, play the “Summer Event Create” game mode, which rewards summer currency. The video notes that you can accumulate currency quickly, and the capsules have a chance to drop both exclusive units. Because the event is limited, prioritize it before the update cycle ends.
The summer event also offers skin crates, which we cover in the next section.
Drop Rates and Farming Tips
Efficiency is key when grinding for universal tower defense z new units. Based on community reports and the video source, here is a consolidated table of drop rates and recommended farming strategies.
| Unit | Drop Rate / Mechanic | Game Mode | Farming Recommendation |
|---|---|---|---|
| Human Spider | 95% | Extractions | Run Extractions repeatedly for quick collection |
| Iron Billionaire | 25% | Extractions | Continue Extractions runs, expect 4+ attempts |
| Symbiotic Alien | 15% | Extractions | Requires about 7 runs on average |
| Trickster Phantom | 8-run pity | Expedition | Guaranteed after 8 completions |
| Visionary Unrivaled | 0.005% | Summons | Extremely rare; summon only if you have excess currency |
| Yuhabach | Varies by rift | Universal Tear | Focus on completing rifts efficiently |
| Summer exclusives | Capsule RNG | Summer event | Play event mode daily for maximum currency |
Farming Tips:
- Start with Extractions to secure Human Spider, Iron Billionaire, and Symbiotic Alien. You can also unlock the three hidden mythics from Castle of Greed here.
- For Trickster Phantom, run the Expedition game mode eight times without fail. The pity system guarantees the unit.
- If you want Visionary, be prepared for a long grind. The 0.005% drop rate means thousands of summons. Most players report it as a bonus unit rather than a target.
- The Universal Tear for Yuhabach requires a strong team. Coordinate with friends or guildmates for faster rift completions.
New Skins and Customization Options
Beyond units, Update 4 adds around 17 new skins through a new crate system. These cosmetics let you personalize your favorite characters, including some of the universal tower defense z new units. Skins come in different tiers, from common to legendary.
| Skin Type | How to Obtain | Cost / Currency |
|---|---|---|
| Summer event skins | Summer skin crates | Earned via summer event currency |
| Premium contest skins | Premium contest crates | Gems (15,000 per crate) |
| Premium summer skins | Premium summer crates | Robux (direct purchase) |
The video creator notes that skin crates can be expensive, with 100 premium contest crates costing nearly 1.5 million gems. However, you can also earn summer skin crates by playing the event. To equip a skin, go to the Units menu, select Skins, and choose the desired cosmetic. After equipping, reload your team to see the change in appearance.
Player experience suggests that the summer event provides the most accessible way to collect skins without spending premium currency. Grind the event mode to open free crates and build your collection.
FAQ
Q: How many universal tower defense z new units are in Update 4?
A: Based on community reports, there are approximately 25 universal tower defense z new units, including secret, mythic, exclusive, and unrivaled tiers. The video source counts 24 obtainable units, with slight variation in classification.
Q: What is the easiest secret unit to get in Update 4?
A: The easiest secret unit is Human Spider from Extractions, with a 95% drop rate. It requires minimal effort to acquire compared to other secrets.
Q: Are the summer exclusive units still available?
A: Yes, the summer event units—Ash and Valkyrie and Asura and Wrath—are available for a limited time. They can be obtained from summer capsules using event currency earned by playing the summer game mode.
Q: Where can I find more updated information on unit locations?
A: For comprehensive details, visit the Universal Tower Defense Z wiki for full unit lists, tier lists, and game mode guides. The community there updates regularly with new findings.
With this guide, you’re ready to tackle Update 4 and collect every universal tower defense z new unit available. Prioritize the easy drops first, then work toward the rarer units, and don’t forget to grab those summer exclusives before they disappear. Happy farming