Phase 15 · Difficulty, Memory Link, and keys
Unova Link and key sharing — Pokémon Black 2 & White 2 Walkthrough
Share Easy, Challenge, Iron, and Iceberg Keys between nearby games.
Phase 15 · Difficulty, Memory Link, and keys
Share Easy, Challenge, Iron, and Iceberg Keys between nearby games.
Version
Mode
Season
Walkthrough
- Advance the objective. Follow the section summary and finish required rival, Plasma, Gym, or League battles first.
- Sweep trainers and items. Use the tables below in map order, then make a separate Dowsing Machine pass.
- Set the right filters. Black 2 and White 2 diverge in encounter slots, routes, facilities, and key unlocks; difficulty modes keep distinct boss records.
- Close optional loops. Check Hidden Grottoes, weekday statics, seasonal access, gifts, and postgame prerequisites before leaving.
Pokémon locations
This story or system section has no assigned random-encounter table.
Trainers
No ordinary placed trainer is assigned to this page.
Items, gifts, and shops
No visible field item or gift is assigned to this page.
Hidden-item checklist
No hidden item is assigned to this page.
Unova Link Key System
Keys are unlocked after specific milestones and sent through Unova Link over local infrared; the receiving game can activate a shared key without completing the original unlock.
| Key | Origin | Unlock | Effect |
|---|---|---|---|
| Challenge Key | Black 2 | Defeat Champion Iris | Unlocks Challenge Mode |
| Easy Key | White 2 | Defeat Champion Iris | Unlocks Easy Mode |
| Iron Key | Black 2 | Catch Regirock | Opens the Iron Chamber for Registeel |
| Iceberg Key | White 2 | Catch Regirock | Opens the Iceberg Chamber for Regice |
| Tower Key | Black 2 | Defeat Benga in Black Tower Area 10 | Changes the version facility to Black City / Black Tower |
| Treehollow Key | White 2 | Defeat Benga in White Treehollow Area 10 | Changes the version facility to White Forest / White Treehollow |