Season 1 Professions: Engineer vs War Leader

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Season 1 of Z Route: Redemption has two classes, Engineer and War Leader. You build the Class Hall in the season preparation phase to choose one, then raise the profession to a Season 1 cap of 40. Each class has its own skill list, and both also share nine Season 1 skills such as Battlefield Knowledge and Lucky Hunt. Skills that unlock at profession level 45 or 50 sit above that cap, so they cannot be used in this season. Class level and Class EXP stay after the season ends; the season-only skills are removed and their skill points are refunded.

Last updated: 14 November 2026

This page is the Season 1 professions guide for Season 1: Radiated Land. Class Hall build costs vary; check the building in your city.

How do you unlock a class in Season 1?

During the Season Preparation Phase, the Class Hall becomes available for construction, and you build it to choose your Class. The two choices are Engineer and War Leader. Once the new season begins you can earn Class EXP and reselect your Class.

The Season 1 profession level cap is 40. Diplomat is not a Season 1 class choice.

Engineer and War Leader at a glance

Engineer focuses on development and support, with growth bonuses for you and your allies, including resource production and stronger allied forces. War Leader focuses on warfare, with combat skills aimed at commanders who want to dominate the battlefield, including maximizing troop potential, stronger attacks, and more damage to enemies. This guide does not rank one class above the other.

Engineer has 18 skills that unlock at profession level 40 or below, and four more at levels 45 and 50. War Leader has the same split: 18 skills at cap 40, and four more above it. On top of those, nine Season 1 skills belong to both classes and unlock between levels 1 and 40.

Engineer skills available at the Season 1 cap:

	Skill	Unlocks at	Max level	At max level
	Accelerate Production	Lv.1	5	Instantly gain 24h worth of Food, Metal and Oil from your Shelter. Cooldown: 23.5h.
	Contribution Reward	Lv.1	1	Gain 100% more Alliance Coins when donating to Alliance Tech or helping allies.
	Stamina Recovery	Lv.5	1	Gain 50% more Stamina when claiming daily free Stamina.
	Demolition Specialist	Lv.5	5	Increase Troops' Destruction by 500 and unlock Demolish Ruins.
	Free Construction	Lv.10	5	Free construction time +240m.
	Free Research	Lv.10	5	Free research time +240m.
	Build Now	Lv.15	5	Instantly shorten all Building Queues by 600m. Cooldown: 47.5h.
	Instant Research	Lv.15	5	Instantly shorten all Research Queues by 1200m. Cooldown: 47.5h.
	Team Fast March	Lv.20	5	Troop March Speed +50% when joining or returning from a Rally.
	Siege Banner	Lv.20	1	Place a [Battle Flag] on open ground. Allied troops within range gain Destruction +100 (stackable up to 5 times). Lasts 30m, Cooldown: 71.5h.
	Class Inspiration	Lv.25	3	Gain 60% more Class EXP when damaging City Durability.
	Logistics Support	Lv.25	5	While reinforcing an ally's Base, reduce the death rate of soldiers in the Drill Ground by 25% (does not stack).
	Cooperative Construction	Lv.30	2	Use on an ally to grant both of you +20% building speed (cannot stack). Lasts 60m. Cooldown: 23.5h.
	Cooperative Research	Lv.30	2	Use on an ally to grant both of you +20% research speed (cannot stack). Lasts 60m. Cooldown: 23.5h.
	Cost Efficiency	Lv.35	5	Building upgrade resource cost reduced by 5%.
	Efficient Utilization	Lv.35	5	Tech research resource cost reduced by 5%.
	Cooperative Healing	Lv.40	5	Use on an ally to grant both of you +50% hospital capacity (cannot stack). Lasts 240m. Cooldown: 71.5h.
	Friendship Shield	Lv.40	3	Use on yourself or an ally to grant a 4h shield (cannot stack). Cooldown: 71.5h.

War Leader skills available at the Season 1 cap:

	Skill	Unlocks at	Max level	At max level
	Instant Recall	Lv.1	5	During your first 5 relocation(s) each day, all troops outside the Base instantly return.
	Reserve Mobilization	Lv.1	5	Instantly gain 250 max-tier Soldiers (cannot exceed Drill Ground capacity). Cooldown: 23.5h.
	Drill Ground Maintenance	Lv.5	5	Drill Ground Capacity +10%. (Excess soldiers remain if capacity drops, but you cannot receive more.)
	Hospital Maintenance	Lv.5	5	Hospital Capacity +10%. (If capacity drops, excess wounded soldiers are lost, prioritizing lower-level ones.)
	War Frenzy	Lv.10	5	While in War Frenzy, DMG +5%.
	Field Emergency Care	Lv.10	5	Heal up to 5000 untreated Soldiers in the Hospital. Cooldown: 71.5h.
	Press the Advantage	Lv.15	5	When attacking a burning Base, enemy soldier death rate +5%.
	Battle Prep Drill	Lv.15	5	Soldier Training Speed +25%.
	Scorched Land March	Lv.20	2	During Capital Conquest, march speed in Scorched Land +50%.
	Sustain Through War	Lv.20	5	Daily plunder resource limit increased by 50%.
	Battlefield Morale	Lv.25	5	Troop Morale +10%.
	Swift Reinforcement	Lv.25	5	When reinforcing an ally's Base, March Speed +50%.
	Rally Charge	Lv.30	5	When joining or launching a Rally, Squad DMG +5% (cannot stack).
	Stealth	Lv.30	1	Enter Stealth mode: Your personal information is hidden in Intel and Battle Reports. Lasts 30m. Cooldown: 47.5h.
	Fire Support	Lv.35	5	When reinforcing an ally's Base, attacking soldier death rate +5%.
	Reinforcement Boost	Lv.35	5	When reinforcing an ally's Base, all defending Heroes gain +5% ATK, DEF, and HP (cannot stack).
	Regressed	Lv.40	1	In battle, a portion of the enemy's wounded soldiers are [Regressed], reducing their tier by 1. Up to 1000 soldiers per day.
	Charge Banner	Lv.40	1	Place a [War Flag] on the empty ground. Allied Bases within its range gain +2% ATK (stacks up to 5 times). Lasts 30m. Cooldown: 71.5h.

Shared Season 1 skills (both classes):

	Skill	Unlocks at	Max level	At max level
	Battlefield Knowledge I	Lv.1	1	Gain 7500 more Class EXP when defeating monsters. Daily limit: 75000.
	Lucky Hunt	Lv.5	1	Monsters drop extra Mutant Shards. Daily limit: x5.
	Battlefield Knowledge II	Lv.10	1	Increase the cap of daily Class EXP gained from defeating monsters. Gain 7500 Class EXP per kill, with the daily limit raised to 150000.
	Battlefield Knowledge III	Lv.15	1	Double the bonus Class EXP gained from defeating monsters. Bonus Class EXP per kill increased to 15000, daily limit: 150000.
	Healing Expert	Lv.20	1	Remove up to 5 virus stacks from an ally in one use. Gain 10 Class EXP for each stack cured. Daily limit: 1000.
	Infection Spread	Lv.25	1	Gain 300 more Class EXP for each γ Pathogen stack spread or inflicted. Weekly limit: 300000.
	γ Pathogen Assault	Lv.30	1	Cast on a City/Outpost/Capitol/Battery to add 2 γ Pathogen stacks to the target (up to 30). Cooldown: 71.5h.
	γ Pathogen Boost	Lv.35	1	Increase the γ Pathogen carry ratio by deployed troops to 50%.
	Virus Experiment	Lv.40	1	Virus Stack Limit +50.

Class EXP and the level 40 cap

Profession levels consume Class EXP. Reaching level 40 takes a total of 300,450,000 Class EXP. Selected steps:

The EXP list continues to level 50 (34,300,000 EXP for that last step, 587,200,000 cumulative), but Season 1 stops at 40.

You can also earn Class EXP by upgrading a season building, defeating season zombies, and from the Class EXP resource page and the Season Pass. Demolish Ruins, from the Engineer skill Demolition Specialist, costs 5 stamina and grants 500 Class EXP, and the zone lasts 300 seconds. Shared Season 1 skills also award Class EXP for killing monsters, curing virus stacks, or spreading γ Pathogen, with daily or weekly limits printed in their write-ups below.

A Season I Skill Point grants 1 Class Skill Point and can be used up to 10 times during Season I. After that limit, or if it is used in another season, it converts into 10,000 Class EXP.

Resets, refunds and what survives the season

A Class Reset Ticket lets you choose a new class, resetting all learned skills and refunding all skill points. A Skill Reset Ticket resets all learned class skills and refunds all skill points. When the season ends:

• Season-exclusive class skills are reset and removed, and the class skill points spent on them are refunded.
• Class level, Class EXP and Class EXP items are not reset at season end.
• Season-exclusive structures are reset and removed, which may reduce your power.
• Unused Immune Protein, Mutant Shards and Uranium Crystal are cleared at the end of the season countdown and converted into Class EXP. See also the Immune Protein and Uranium Crystal pages.

Engineer skills (levels 1–40)

These are the Engineer-only skills that unlock at profession level 40 or below. Cooldowns below are 23.5 hours (84,600 seconds), 47.5 hours (171,000 seconds) and 71.5 hours (257,400 seconds). Destruction reduces City Defense when attacking cities and player bases, and only applies to units that have City Defense.

War Leader skills (levels 1–40)

These are the War Leader-only skills that unlock at profession level 40 or below.

Shared Season 1 skills

These nine skills belong to both Engineer and War Leader. They are the Season 1 shared set: they are removed at season end and their skill points are refunded.

Skills above the Season 1 cap

Some skills unlock at profession levels 45 and 50. Because Season 1’s cap is 40, none of the following can be used in this season. They are listed here only so the list is complete. Engineer: Supply Drop, Hold the Line, Random Visitor and Siege Mine. War Leader: Base Fortification, Rally Defense, Assault and Anti-Infantry Mine.

Frequently asked questions

How many classes are in Z Route Season 1?

Two: Engineer and War Leader. You choose one after building the Class Hall in the season preparation phase. Diplomat is not a Season 1 class choice.

What is the profession level cap in Season 1?

40. Reaching that cap takes 300,450,000 Class EXP. Skills that unlock at 45 or 50 are not available in Season 1.

Do class levels reset when Season 1 ends?

No. Class level, Class EXP and Class EXP items are not reset. Season-exclusive class skills are removed and their skill points are refunded.

How do I change class or reset skills?

Use a Class Reset Ticket to choose a new class (this also resets learned skills and refunds skill points). Use a Skill Reset Ticket to reset learned class skills and refund skill points without changing class. Once the season begins you can also reselect your class.

What are Season I Skill Points?

A Season I Skill Point grants 1 Class Skill Point and can be used up to 10 times during Season I. After that limit, or if it is used in another season, it converts into 10,000 Class EXP. They appear on the paid Season Pass tracks.

How do shared Season 1 skills differ from class skills?

They belong to both Engineer and War Leader. Examples include Battlefield Knowledge I–III, Lucky Hunt, Healing Expert, Infection Spread, γ Pathogen Assault, γ Pathogen Boost and Virus Experiment. At season end, season-exclusive class skills are reset and refunded; these shared season skills follow the same season-end rule.

More Season 1 pages

• Season 1 hub — Radiated Land overview and every Season 1 guide
• Radiated Land and the γ Pathogen — infection, Antibody, storms and radiation clearance
• Season buildings and the resource loop — Virus Lab, refineries and Class EXP conversion
• Season Pass rewards — 50 levels, quests, and the Weekly Pass (Skill Points and reset tickets are on the premium and deluxe tracks)
• City warfare — strongholds, declarations and Season 1 city levels
• Class EXP, Uranium Crystal and Immune Protein
• Monument milestone timeline — Season 1 days, including exclusive weapons for Monroe, Leah and Yana
• Shop guide and the Exclusive Weapon calculator
• Awakened Aria (UR) guide — Season 1 also has promotion rules for designated SSR heroes