Hero Siege Season 10 is a progression reset in everything but name. Nightmare is gone. Acts 8 and 9 are free. Level 1–100 now happens in Normal. That alone changes how we level alts, plan builds, farm early gear, and judge campaign pacing.

• Hero Siege Season 10 Major Changes
• Hero Siege Difficulty Rework: Nightmare Removed
• What This Means for Leveling
• Practical Leveling Advice
• Acts 8 and 9 Are Free Base-Game Content
• Why This Matters
• New Season 10 Zones and Campaign Pacing
• Player Strategy
• Free Classes in Hero Siege Season 10
• Best Result for Players
• Hero Siege Season 10 Performance Improvements
• Why Veteran Players Should Care
• Monster Pathing Rework
• Stash, Loadouts, Terror Cards, and Relic Storage
• Ether Tree Loadouts: Useful but Sensitive
• Terror Card Tab: Good Feature, Awkward Monetization
• Free Relic Storage: Best QoL Change
• How to Prepare for Hero Siege Season 10
• Launch Checklist
• If You Struggle While Leveling
• FAQ
• Is Nightmare removed in Hero Siege Season 10?
• Is Act 9 free in Hero Siege Season 10?
• Are Acts 8 and 9 required for progression?
• Which classes become free in Season 10?
• Will Season 10 fix Hero Siege FPS issues?
• Summary

The practical read: Season 10 cuts repeated campaign loops and pushes Hero Siege toward a cleaner ARPG structure — Normal ➔ Hard ➔ Inferno. Less dead time. More direct progression. Better for new players and less exhausting for veterans.

↖ Hero Siege Season 10 Major Changes

Season 10 is not one big feature. It is several core systems being tightened at once.

The real win is simple: Hero Siege becomes easier to understand, easier to recommend, and less annoying to replay.

↖ Hero Siege Difficulty Rework: Nightmare Removed

Nightmare was always awkward. It was too repetitive to feel fresh, but too important to skip. Season 10 removes it completely.

Now the campaign should work like this:

↖ What This Means for Leveling

The old loop was campaign repetition:

Normal ➔ Nightmare ➔ Hell ➔ Hell tiers ➔ Inferno

Season 10 turns it into a cleaner route:

Normal campaign to 100 ➔ Hard ➔ Inferno

That matters because leveling alts should feel less like running errands. If the XP curve is tuned properly, Acts 1–9 become one complete climb instead of multiple recycled laps.

↖ Practical Leveling Advice

If you are leveling in Season 10:

• Push the campaign first. Do not stop to overfarm too early.
• Take waypoints before full-clearing side zones.
• Upgrade defenses sooner than usual. New pathing may make mobs reach you faster.
• If you hit Act 9 underleveled, clear side zones.
• If you hit level 100 before Act 9, skip low-value detours.

The goal is not to beat Normal fast anymore. The goal is to use Normal as the full leveling route.

↖ Acts 8 and 9 Are Free Base-Game Content

Act 8 is no longer paid DLC. Act 9 launches free. This is one of the best Season 10 changes for the long-term health of Hero Siege.

↖ Why This Matters

Paid campaign content always hurt first impressions. Even when the base game was playable, new players saw DLC walls and assumed they were missing required progression.

Season 10 fixes that.

Now the core campaign path is cleaner:

Acts 1–7 ➔ Act 8 ➔ Odin ➔ Act 9 / Ebenthorn

For returning players, this also changes leveling flow. Act 8 is no longer filler XP. It is part of the intended route.

↖ New Season 10 Zones and Campaign Pacing

Season 10 adds many new zones to stretch the 1–100 Normal journey. That is important. Without new zones, removing Nightmare would just make Normal feel bloated.

↖ Player Strategy

These zones will decide whether Season 10 leveling feels smooth or slow.

If they are mandatory transition zones, waypoint placement matters a lot. Dying before the next waypoint can waste time.

If they are optional side zones, they become XP tools. Use them when your level falls behind.

Execution rule:

• Underleveled? Clear side zones.
• Overleveled? Rush main path.
• Dying often? Stop full-clearing before grabbing waypoints.
• Playing Hardcore or Blood Pact? Treat unknown zones as danger zones until monster scaling is tested.

↖ Free Classes in Hero Siege Season 10

More paid classes are moving into the base game.

This is the right call.

Hero Siege has enough complexity already. Locking classes behind DLC made the game harder to sell to new players and worse to discuss in build guides.

Now more players can test more builds without checking the store first.

↖ Best Result for Players

• More league-starter options.
• Easier alt experimentation.
• Better class balance discussions.
• Less DLC required? confusion.
• Stronger first impression on Steam.

Paid cosmetics and optional quality-of-life tabs are easier to defend than paid classes. Gameplay should be accessible. Season 10 moves closer to that.

↖ Hero Siege Season 10 Performance Improvements

This may be the biggest real gameplay upgrade if it works live.

Hero Siege has had one brutal problem for years: FPS drops when the screen gets busy. High pack size, projectile spam, multiplayer, minion builds, and Chaos Tower could turn strong builds into slideshow builds.

Season 10 targets that directly.

↖ Why Veteran Players Should Care

Performance affects the meta.

A build can be powerful on paper and still feel awful if it tanks FPS. I have skipped lag-heavy builds before because farming efficiency dropped the moment density got high. That is not a balance issue. That is a playability issue.

If Season 10 fixes combat FPS, expect more builds to become viable.

↖ Monster Pathing Rework

This one is huge for Chaos Tower and dense farming.

Before, mobs could get stuck on terrain, ledges, and weird corners. You would stand there waiting for enemies to path like they forgot their job.

Season 10 pathing should make monsters:

• Reach players faster.
• Get stuck less.
• Create denser combat.
• Improve clear consistency.
• Make tower farming less awkward.

This may also make the game feel harder. Not because mobs hit harder, but because they actually reach you. Build defenses accordingly.

↖ Stash, Loadouts, Terror Cards, and Relic Storage

Season 10 also changes inventory management. Some of it is excellent. Some of it will be debated.

↖ Ether Tree Loadouts: Useful but Sensitive

Extra Ether Tree loadouts are good. The problem is the respec cost.

If Ether Tree respeccing stays expensive, paid loadouts can feel like they save meaningful in-game resources. That creates a bad look, even if the feature is technically quality-of-life.

Best fix: reduce Ether Tree respec costs. Keep paid loadouts as convenience, not pressure.

↖ Terror Card Tab: Good Feature, Awkward Monetization

Terror Cards needed dedicated storage. They clogged material space and made collection annoying.

A paid Terror Card tab solves the pain, but players will argue about it because the pain came from core inventory design.

Practical advice:

• Casual player? Use regular stash tabs.
• Heavy farmer? The Terror Card tab will likely be worth it.
• Trade player? Dedicated storage saves time and mistakes.

↖ Free Relic Storage: Best QoL Change

Relics needed modernization. Season 10 adds free relic storage with a Holy Grail-style collection goal.

That means:

• Less relic clutter.
• Easier relic swapping.
• Better build testing.
• Clear collection progress.
• Achievement and title chase.

The key question: account-wide or character-only?

Account-wide is the better version. It supports alts, reduces repetitive farming, and makes relic hunting feel like a real seasonal goal instead of maintenance.

↖ How to Prepare for Hero Siege Season 10

Season 10 changes enough that old routes may not apply. Do not autopilot the launch week.

↖ Launch Checklist

↖ If You Struggle While Leveling

Use this rule set:

• Low damage? Upgrade weapon or main scaling stats.
• Getting rushed? Add defenses before damage.
• Underleveled? Clear extra zones.
• Inventory full? Dump cards and relics between acts.
• Lagging in groups? Retest after projectile and AI changes go live.
• Hard mode wall? Farm Normal Act 8–9 zones before pushing.

Pain point ➔ adjust route ➔ stabilize build ➔ push again. That is how Season 10 leveling should be approached.

↖ FAQ

↖ Is Nightmare removed in Hero Siege Season 10?

Yes. Nightmare is being removed. Leveling from 1–100 now happens in the first Normal campaign playthrough.

↖ Is Act 9 free in Hero Siege Season 10?

Yes. Act 9 is free and becomes part of the base game. It unlocks after beating Odin and leads to Ebenthorn.

↖ Are Acts 8 and 9 required for progression?

Act 8 is now base-game content, and Act 9 is designed as part of the main journey. Expect both to matter for the new 1–100 Normal progression.

↖ Which classes become free in Season 10?

Marauder, Plague Doctor, Shield Lancer, and Jötunn become free base-game classes in Season 10.

↖ Will Season 10 fix Hero Siege FPS issues?

Season 10 includes major FPS-focused changes: rewritten skill handling, optimized monster AI, removed client projectile collision, rebuilt monster pathing, and faster zone loading. If the live build matches testing, dense combat and multiplayer should feel much smoother.

↖ Summary

Hero Siege Season 10 cuts the old repetition and rebuilds progression around a cleaner path: Normal 1–100, then Hard, then Inferno.

The most important changes are:

• Nightmare removed
• Acts 8 and 9 free
• Act 9 / Ebenthorn added
• More classes free
• Hell 1–5 likely removed
• Major FPS and pathing fixes
• 20 stash tabs
• 8 build loadouts
• Paid Terror Card tab
• Free relic storage

For players, the plan is simple: rush campaign intelligently, test side-zone XP, grab waypoints early, keep defensive gear, and watch which builds benefit from the FPS improvements.

If the difficulty curve and performance fixes land properly, Season 10 could be the cleanest and most replayable version of Hero Siege yet.