Last Z: Yu Chan Guide — Best Skills, Gear & Team Build for S4

Season 4 is here, and if your state is anything like mine, world chat is absolutely flooded with questions about the new Blood Rose DPS queen. Yu Chan has burst onto the scene with her dinosaur-themed swagger, a devastating active skill, and some seriously impressive synergy potential. But let's be real—with Skill Books harder to come by than a peaceful tile during Kill Event, you cannot afford to just blindly pump resources into her.

This guide will walk you through exactly how to build her without wasting a single Universal Shard or piece of Enhancement Material.

Let's dive in.

 

Who Is Yu Chan? Role & Faction Breakdown

Yu Chan is a Blood Rose Faction DPS Hero. Her kit is designed for one thing: deleting enemy Riders and tanking hits from Shooters while looking absolutely stylish doing it .

• Faction: Blood Rose
• Role: Sustained DPS + Burst Damage
• Troop Synergy: Assaulter alignment
• Season: Season 4 Exclusive (Dinosaur Origin Theme)

Her real value comes from her Exclusive Talent: Dragon's Bane. This isn't just a self-buff—it applies to all in-troop Blood Rose heroes. That means if you're running a full Blood Rose death ball, she's making everyone hit harder against those pesky Rider formations while giving you a defensive edge against Shooter-heavy rally leads .

If you've been sleeping on Blood Rose, Yu Chan is the wake-up call you needed.

 

Skill Breakdown

Let's talk priorities. You just got Yu Chan to 1-star. Congratulations! Now you're staring at three skills and a talent tree, and your Skill Book inventory is already crying. Don't panic. Here is the only upgrade order that respects your resource economy.

Skill Upgrade Priority Order

Priority	Skill Name	Type	What It Does (Maxed)
1st	Death's Aim	Normal Attack Boost	Damage factor increases to 1461
2nd	Soul Striker	Active Skill (Burst)	Damage factor hits 1655 with extra fire count
3rd	Wyrm Wrath	Passive	Self Skill DMG +16.9%
4th	Dragon's Bane	Exclusive Talent	Team-wide +10% DMG vs Riders, -10% DMG from Shooters

1. Death's Aim (Skill 1) — Max First

In Last Z, the math is simple: most of your damage output comes from normal attacks, especially in longer fights like Ruins or high-level Predator Squads. Pumping Death's Aim gives you the biggest raw DPS increase per Skill Book spent. It's boring, it's basic, but it's efficient. Do not skip this for the flashier active skill .

2. Soul Striker (Skill 2) — Max Second

This is your burst button. It's what makes Yu Chan feel powerful. The damage factor scaling is solid, and the extra fire counts you unlock at higher star levels dramatically improve her front-loaded damage in PvP (Glory Wars, anyone?). But remember, burst is burst—it's on cooldown. Sustained damage from Death's Aimpays the bills while Soul Striker waits to pop off.

3. Wyrm Wrath (Expertise) — Max Third

16.9% Skill Damage is nothing to sneeze at, but it only affects Soul Striker and only for Yu Chan herself. The upgrade cost per percentage point is steep compared to the raw power you get from the first two skills. Get the easy early levels, but don't sacrifice Skill 1 or 2 progress for the final stars of this one.

4. Dragon's Bane (Talent) — Unlock ASAP, Upgrade Last

Here's the kicker: the effect of this talent (the faction-wide anti-Rider/Shooter buff) is active as long as you have the skill unlocked. Upgrading it only boosts Yu Chan's personal stats marginally.

Pro Tip: Unlock this immediately for the team synergy, then completely ignore upgrading it until your other three skills are finished.

 

Gear Guide

Gear is where most commanders go broke. The allure of a shiny gold D5 piece is strong, but the law of diminishing returns in Last Z is brutal. Here is the realistic, budget-conscious path to gearing Yu Chan.

Minimum Viable Build

You just got her. You have limited D-series gear. This setup ensures she's not a total liability in your second or third march.

Slot	Gear Piece	Target Level
Weapon	D4-Revolver	40
Helmet	D4-Helmet	40
Armor	D3-Armor	20
Boots	D3-Combat Boots	20

At this level, you're getting the big stat bumps from early enhancement without the eye-watering Alloy and Screw costs of pushing past Level 40. She'll hold her own against Season 4 PvE mobs just fine.

The Recommended for Most Players Build

This is the "I want to compete in Glory Wars and top 10 in Dino Rescue" build. It balances power with resource sanity.

Slot	Gear Piece	Target Level	Notes
Weapon	D5-Submachine Gun	50	Significant ATK jump from D4
Helmet	D5-Helmet	50	More ATK%
Armor	D4-Armor	30	D5 Armor is luxury; D4 at 30 is great value
Boots	D4-Combat Boots	30	Speed and HP are nice, but don't over-invest

The Optimum Build

You asked for the best. If resources are no object (lucky you), this is the ceiling before the returns get genuinely laughable.

Slot	Gear Piece	Target Level	The Reality Check
Weapon	D5-Submachine Gun	50	Going 50->60 costs a fortune for +2% ATK. Hard pass.
Helmet	D5-Helmet	50	Same logic as weapon.
Armor	D4-Armor	30	Diminishing returns hit hard after 30.
Boots	D4-Combat Boots	30	Save those enhance mats for your tank heroes.
Exclusive Weapon	N/A	Not yet available	When it drops, focus this hard.

Stat Priority for Gear Rolls:

When you're lucky enough to get gold stats, look for: ATK % > Damage % > HP %. Yu Chan is a glass cannon. She needs to kill things before they look at her funny.

 

Team Synergy & Season 4 Strategy

Yu Chan doesn't play nice with everyone. You must lean into her faction.

• The Core: Pair her with other Blood Rose heroes (the Season 4 structure heavily rewards mono-faction or 3+2 setups).
• Troops: Assaulters. I don't care if your Shooters have higher BP. Yu Chan's skills scale with Assaulter alignment. Match the troops to the hero, folks.
• Season 4 Context: With the new Biotech Lab requiring Virus Resistance to farm high-level Velociraptors and Stegosauruses, having a strong Blood Rose march is essential for farming those Cretaceous Scales and Glory Points efficiently.

 

F2P Tips for Building Yu Chan

Look, I get it. The Battle Pass is tempting. The Wartime Investment buffs are shiny. But you can build a monster Yu Chan without swiping.

• Hero Level Swap Event: Use it. If you have an old Season 2 hero gathering dust at Level 80 with max skills, swap those levels directly onto Yu Chan. It's a permanent transfer and the single best F2P mechanic in Season 4.
• Glory Chest Grind: Max out that Biotech Lab so you can hit Level 60+ NPCs. The difference in badge income from a Level 50 chest vs a Level 80 chest is hundreds of badges per day. Those badges buy the Universal Shards you need to star up Yu Chan.
• Trade Hubs: Save your diamonds. Seriously. Don't blow them on speedups. When Trade Hubs open on Mon/Wed/Fri,badges and exclusive fragments are the priority buys. This is non-negotiable for F2P progression.

 

Conclusion: Is Yu Chan Worth It?

If you're running a Blood Rose account or looking to counter the flood of Rider-heavy formations in Glory Wars, absolutely yes. She's a top-tier DPS unit for Season 4 .

Just remember the golden rule of Last Z resource management: Focus your main 5. Don't strip gear from your main march to make Yu Chan look stronger on paper. Build her smartly, prioritize Death's Aim, and get that team-wide anti-Rider buff active as soon as possible.

Happy hunting, commanders.