Next key quest
Boost Practice
Use Boost 3 times.
Why it matters
Unlock Rookie Quests
Quest path
Finish what moves the game forward.
Track the full quest path from Training through Infinite, plus the separate Ancient branch. Progress gates and major system unlocks are highlighted so routine buffs never hide the next meaningful objective.
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Key progression
Quest data verified against the Idle Slayer Wiki on 9 August 2026. Quest requirements can change with game updates.