I9: Inferno Nine
I9: 인페르노 나인

Choose your class. Rule the battlefield.

Master your class, grow your power and enter large-scale wars where every alliance, fortress and decision can change the outcome.

100+ Classes and combat paths
1,000 Players on one battlefield
Siege Territory and fortress wars
I9: Inferno Nine key visual
01
100+ combat paths

Forge a class that fits the way you fight.

Build your role around the battlefield you want to dominate. Lead the charge, strike from range, deal explosive damage or support your allies through large-scale combat.

I9 character class lineup
V
Vanguard

Hold the frontline and create space for your allies.

S
Slayer

Break enemy formations with devastating close-range power.

R
Ranger

Control the battlefield and pressure targets from a distance.

M
Mystic

Strengthen your team with powerful magic and support.

02
Massive alliance warfare

One thousand players. One decisive battlefield.

Fight beside your alliance in conflicts built around coordination, pressure and control—not only individual strength.

I9 large-scale boss battle
Alliance Coordination

Organize roles, timing and attack routes before the battle begins.

Battlefield Control

Secure key positions and force the enemy away from strategic objectives.

Decisive Momentum

Turn one successful breakthrough into victory across the entire front.

03
Conquer and defend

Every fortress is a test of power and strategy.

Expand your influence through territory wars, break fortified defenses and challenge rival alliances for control of the highest seat of power.

I9 fortress siege battle
01
Territory War

Take strategic regions and expand your alliance’s influence.

02
Fortress Siege

Break through fortified gates and seize valuable strongholds.

03
Monarch War

Challenge rival powers and fight for the right to rule.

04
Prepare for the next war

Strengthen every part of your battle plan.

Develop your chosen class, improve your equipment and prepare the resources needed to compete when the next large-scale conflict begins.

I9 character growth and mounted combat
01
Class GrowthAdvance the combat path that defines your role.
02
Powerful GearBuild equipment suited to harder battles and stronger rivals.
03
Battle ReadinessGather what you need before your alliance goes to war.
Prepare for war

Build your power and take your place on the battlefield.

Strengthen your hero, prepare your resources and return ready for the next alliance war.

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