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The Ouroboros Bellkeeperjavascript · BeginnerThe Pendulum Widowjavascript · IntermediateThe Resultgate Cobrasql · BeginnerThe Prototype Armadillopython · Intermediate
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Boss raids54
Practice questions270
Languages8
Modules54
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Beginner encounters · 14 raidsClear filters

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8

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  • 14 modules

    JavaScript

    Master the browser spellbook from fundamentals to async raids.

    Explore track
  • 11 modules

    Python

    Train clean syntax, automation, web apps, and data science routes.

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  • 9 modules

    Rust

    Forge memory-safe systems skills through ownership-focused raids.

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  • 4 modules

    TypeScript

    Add type armor to modern front-end and full-stack quests.

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  • 4 modules

    Go

    Build fast services, channels, and practical cloud-native tools.

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  • 4 modules

    Java

    Level up enterprise fundamentals, OOP patterns, and backend quests.

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  • 4 modules

    C#

    Practice .NET, LINQ, async services, and game-friendly architecture.

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  • 4 modules

    SQL

    Query dungeons, tune joins, and defend data integrity.

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Matching Raids

14

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  • javascriptBeginner

    Orryx, the Index Leviathan

    An armored leviathan guards the indexed depths. His coiled body braces for a jaw-fired torrent that becomes a scarlet storm in his second phase.

  • javascriptBeginner

    The Ouroboros Bellkeeper

    A skeletal ring guardian tolls every repeated step. Master loop conditions and control flow before his bell releases its furious returning echoes.

  • pythonBeginner

    The Coilwheel Basilisk

    A plated basilisk winds its enormous tail into a returning wheel. Control Python loops before the next repeating charge closes in.

  • sqlBeginner

    The Resultgate Cobra

    A gem-eyed cobra guards the bronze windows of the result gate. Refine your SELECT queries before its original gaze burns crimson.

  • javaBeginner

    The Foundry Elephant

    A copper-forged elephant guards object construction. Its segmented trunk gathers a furnace blast while its massive piston tusks brace for the next round.

  • javascriptBeginner

    Axiom, the Binding Cerberus

    Three snarling heads guard every binding. Break Axiom's brass locks with variables and types, then survive his furious three-throat barrage.

  • javascriptBeginner

    Veyra, the Invocation Mantis

    A blade-armed mantis whose precise invocations gather along her hooked scythes. Her original violet eye burns crimson as the duel intensifies.

  • javascriptBeginner

    The Property Reliquary

    A walking vault of forbidden properties. Its living keyhole gathers power while the locked drawers shudder before a furious arcane release.

  • pythonBeginner

    The Namebinder Nymph

    A mushroom doll binds names to her living lantern. Read Python variables and values before her braided arms unleash their stored light.

  • pythonBeginner

    The Echo Harpy

    A harp-winged guardian answers every call with a golden throat blast. Master arguments and returned values to silence her gathering chorus.

  • rustBeginner

    The Foundry Hermit

    A mobile foundry guards the dependency forge. Read the build before its loading claw swings and the furnace releases its stored heat.

  • typescriptBeginner

    The Facet Paladin

    A crystal knight braces his immense shield and hooked lance. Define TypeScript shapes and interfaces before his faceted defenses close around you.

  • goBeginner

    The Package Ram

    A stone ram squares its bracket horns for impact. Build sound Go syntax and packages before its next earth-shaking charge.

  • csharpBeginner

    The Compiler Badger

    A furnace-backed badger braces two iron gauntlets. Master the language basics before a measured punch becomes a crushing crimson strike.