Omega Infergon Boss Guide - Russet Highlands

The armoured dragon of Russet Highlands

Omega Infergon is the Omega boss of Russet Highlands — one of the three quest-gated weekly challenges documented in the launch build (the world bosses overview covers the whole system). Its base creature, Infergon (NO.067), is a Fire-element DPS with 505 total attributes and ATK 125 per the official companion wiki; the Omega encounter is the boss-scale version of that kit.

Unlocking the fight

Omega bosses have no spawn timer — the encounter activates only after you complete its unlock condition (per community live databases — quest names cross-confirmed by AniimoTools and AniimoVerse, October 1, 2026):

The kit you are fighting

The live fight script is now documented — AniimoTools publishes the in-fight notification beats (accessed October 5, 2026): Infergon’s Fire Element Crystallites charge up to explode, and shattering them creates safe zones that avoid the shock wave. The official Aniilog page for Infergon lists the kit it is built from, and three mechanics stand out tactically:

• Projectile reflection — Gale Charge reflects incoming flying projectile attacks mid-charge. Ranged teams get their own damage back; plan melee or non-projectile damage.
• Fire Debuff stacking — Lava Breath and its aerial breath (Hot Breath, power 168) each apply 8 stacks of Fire Debuff, and its trait adds +30% damage against targets holding 5+ stacks. Sustained fights snowball against you — burst it down.
• Charge-and-shield — Fiery Charge grants a shield worth 5% max HP on hit, and both charges dive out of flight.

Team preparation

• Elements: Fire defender — bring Water or Earth damage (1.6x), and expect Fire, Grass, and Ice to be resisted (0.625x). The full grid is in the type chart.
• BREAK coverage: its BREAK stat is modest (50) on the base creature — shields, not the health bar, are usually the Omega gate; the Twine guide’s BREAK forms list launch-verified options like Inferlupa (BREAK 108).
• Ranged caution: between projectile reflection and charge pressure, a melee-physical or homing-free composition handles this fight better than a pure sniper team.

Rewards

The verified reward is the evolution unlock: defeating Omega Infergon lets a Helmwhelp evolve into Infergon — the live conditions are Aniimo level 48, a Perfect rating on its Potential, the Omega defeat itself, and one Blaze Stone (live-verified: AniimoTools + Aniidex, accessed October 5, 2026). Each Omega’s chest can be claimed three times a week (AniimoTools’ FAQ quoting the in-game note; AniimoVerse’s drop database carries the same weekly-3 claim limit — accessed October 6, 2026). Beating Omega Infergon in the field leaves a chest whose reward lines are now live-documented (AniimoVerse drop database, single-source, accessed October 6, 2026):

Safaris, Windborn Stamps, and the fixed Starcryst Essence are set amounts; the Credits line scales with your level when the chest opens, and per-item odds are not published. Starcryst Essence is the third material behind Capability Awakening. The full tier structure and the other two Omegas (Omega Sherro, Omega Tuckin) are one click away in the overview.