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Keys and Special Mountain Gates

This page groups the key artifacts, boss rewards, and exact special mountain levels that block the late-game path.

Special Mountain Labels6
Verified Level TriggersLevel 20 Goblin King Peak, Level 40 Dragon's Peak, Level 50 Triple Seal Gate, Level 60 Architect's Summit, Level 80 Balrogg's Pit, Level 100 Great World Spire
Timed Boss Timer180 seconds on Goblin King Peak, Dragon's Peak, Architect's Summit, and Balrogg's Pit
MountainLevel / TriggerWhat HappensReward / Requirement
Triple Seal GateLevel 50 key gateLevel 50 three-key gate before the late-game spire path; tied to Ruby Key, Sapphire Key, and Emerald Key progression.The Nauglamir after keeping Ruby Key, Sapphire Key, and Emerald Key.
Goblin King PeakLevel 20 timed boss, 180 secondsLevel 20 timed Goblin King milestone with a 180-second timer; success awards the Goblin Crown artifact.Goblin Crown.
Dragon's PeakLevel 40 timed boss, 180 secondsLevel 40 timed dragon boss with a 180-second timer; success awards Dragon's Egg and dragon riches, while failure forces a prestige or retry.Dragon's Egg.
Architect's SummitLevel 60 timed boss, 180 secondsLevel 60 timed Architect's Golem boss with a 180-second timer; the game warns you to destroy the mountain before the golem seals itself away.Mountain Core.
Balrogg's PitLevel 80 timed boss, 180 secondsLevel 80 timed Balrogg boss with a 180-second timer; failure forces a prestige or retry and success awards the Shadowflame Whip.Shadowflame Whip.
The Great World SpireLevel 100 artifact gateLevel 100 final artifact gate and spire target; requires eight special artifacts before the forcefield opens and endless mode begins.Endless Mode after the eight required spire artifacts are present.
EntryRoleWhere It Comes FromWhy It Matters
Ruby KeyKeyKeep from artifact choices before the Level 50 Triple Seal Gate.Key Master improves key drop chance.
Sapphire KeyKeyKeep from artifact choices before the Level 50 Triple Seal Gate.Key Master improves key drop chance.
Emerald KeyKeyKeep from artifact choices before the Level 50 Triple Seal Gate.Key Master improves key drop chance.
The NauglamirVault rewardReward from the Level 50 Triple Seal Gate after all three keys are kept.Required for the Level 100 Great World Spire.
Goblin CrownBoss rewardReward from Level 20 Goblin King Peak if the 180-second timed check succeeds.Required for the Level 100 Great World Spire.
Dragon's EggBoss rewardReward from Level 40 Dragon's Peak if the 180-second timed check succeeds.Required for the Level 100 Great World Spire.
Mountain CoreBoss rewardReward from Level 60 Architect's Summit if the 180-second timed check succeeds.Required for the Level 100 Great World Spire.
Shadowflame WhipBoss rewardReward from Level 80 Balrogg's Pit if the 180-second timed check succeeds.Required for the Level 100 Great World Spire.
ArkenstoneSpire artifactKeep when offered from the artifact pool.Required for the Level 100 Great World Spire.
Dial of DestinySpire artifactKeep when offered from the artifact pool.Required for the Level 100 Great World Spire.
Philosopher's StoneAlchemy rewardCreated through Alchemy after the Laboratory path is online.Required for the Level 100 Great World Spire.
RuleValue
Goblin King PeakLevel 20
Goblin King Peak timer180 seconds
Dragon's PeakLevel 40
Dragon's Peak timer180 seconds
Triple Seal GateLevel 50
Architect's SummitLevel 60
Architect's Summit timer180 seconds
Balrogg's PitLevel 80
Balrogg's Pit timer180 seconds
The Great World SpireLevel 100