Bosses

Every GloryBound boss

GloryBound has 10 named bosses so far: the War Lion, Undead Brute and Cerberus from launch, the Nemean Lion and Cerberus of Tartarus from Oct 30, and the four Trial bosses from Update 3 (Ignis, Glaucus, the Hydra of Lerna and Janus), plus the Hydra of Lerna Extreme in the Weekly Raid.

Official sourcesGame version: Update 3 – Trials & RaidsHow we verify ↗

Survival bosses (the Colosseum)

BossWhereAddedWhat we know
War LionSurvival (Colosseum)LaunchNamed in the game description. The release post calls them “the arena lions”.
Undead BruteSurvival (Colosseum)LaunchNamed in the game description.
CerberusSurvival (Colosseum)LaunchThe three-headed hound; named in the description and the release post.
Nemean LionSurvivalOct 30 updateOne of “two new giant bosses” added on Oct 30.
Cerberus of TartarusSurvivalOct 30 updateThe second giant boss from the Oct 30 update.

Trial bosses (Update 3)

BossWhereAddedWhat we know
IgnisTrialsUpdate 3 (Nov 7)One of the four Trial bosses named in the game description.
GlaucusTrialsUpdate 3 (Nov 7)One of the four Trial bosses named in the game description.
Hydra of LernaTrialsUpdate 3 (Nov 7)Trial boss, and the base of the first Weekly Raid boss.
JanusTrialsUpdate 3 (Nov 7)One of the four Trial bosses named in the game description.

Weekly Raid boss

BossWhereAddedWhat we know
Hydra of Lerna ExtremeWeekly RaidUpdate 3 (Nov 7)“Take on the Hydra of Lerna Extreme with your squad.” The raid boss rotates; this is the current one.

Rivals champions

BossWhereAddedWhat we know
Rivals (4 champion bosses)RivalsOct 30 update“Four new champion bosses await you.” Their names are not published.

Names and modes: official Health, damage and attack patterns are not published. We will add them only after we have fought each boss ourselves.

The emperor’s verdict: GloryBound’s arena theme. Official artwork from the GloryBound Roblox page, © SphereX Studio.

FAQ

How many bosses are in GloryBound?
10 bosses are named in official posts so far, plus four Rivals champions whose names are not published. The four Trial bosses are Ignis, Glaucus, the Hydra of Lerna and Janus.
What is the hardest boss in GloryBound?
Officially, the Weekly Raid boss. SphereX Studio describes the raid as rotating “Extreme Bosses with devastating mechanics that will test your teamwork”. The current one is the Hydra of Lerna Extreme.
Where do you fight Cerberus in GloryBound?
In Survival in the Colosseum. Cerberus has been in the game since release; the Oct 30 update added a second, giant version called Cerberus of Tartarus alongside the Nemean Lion.

Sources