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MU WAR · SEASON 21 FIELD MANUAL

The War Codex.

Learn your class. Master the forge.
Know the battle before you enter it.

92 PRACTICAL GUIDES16 CLASS FAMILIES08 CHAPTERS
THE COMPLETE FIELD MANUAL

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S21 / 2026

92 guides ready to exploreWritten for MU WAR · Read at your own pace

Systems are researched from WEBZEN and the supplied S21 configuration. The current MU WAR client decides custom recipes, chances, eligibility and rewards. Live times are on the Events page ↗.