Complete Unova sequel guide

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Phase 15: Difficulty, Memory Link, and keys — Pokémon Black 2 & White 2 Walkthrough

Control difficulty keys, version keys, Memory Link scenes, and N's Pokémon.

By Damodar Sharma Updated July 12, 2026 Walkthrough

Control difficulty keys, version keys, Memory Link scenes, and N's Pokémon.

Recommended levels AnyMilestone Key and external-save systems documented

Phase route

Completion order

  1. Easy Mode and Challenge Mode — Compare unlocks, levels, party changes, AI behavior, rewards, and UI-only quirks.
  2. Unova Link and key sharing — Share Easy, Challenge, Iron, and Iceberg Keys between nearby games.
  3. Memory Link flashbacks — Unlock sequel-context scenes using a Black or White save.
  4. N's Pokémon — Track every Memory Link-only sparkling encounter and fixed original Trainer.