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Pokemon X and Y Phase 3: Tower of Mastery — Second Visit + Mega Ring

Rumble Badge

After defeating Korrina, return to the top of the Tower. Korrina is now waiting at the summit with her Mega-Evolving Lucario.

Nintendo 3DS Pokemon X / Pokemon Y Pokemon X and Y trainer artwork of Korrina. Phase 3 Rumble Badge Korrina Shalour Gym Leader Route 10, Reflection Cave, Shalour City, Korrina, and Lucario. 03 / 10 Lucario artwork
By Damodar Sharma Updated May 25, 2026 Walkthrough

Phase 3 section 8 of 10

After defeating Korrina, return to the top of the Tower. Korrina is now waiting at the summit with her Mega-Evolving Lucario.

GuidePokemon X and Y PhasePhase 3 Section8/10

Tower of Mastery — Second Visit + Mega Ring

After defeating Korrina, return to the top of the Tower. Korrina is now waiting at the summit with her Mega-Evolving Lucario.

The Mega Lucario rematch

TrainerPokémonNotes
Korrina (Mega Lucario test) Mega Lucario Lv 32 (Mega Evolves first turn) ★ Boss fight. She Mega Evolves into Mega Lucario (Adaptability + Steel STAB Bullet Punch). Has Swords Dance → Bone Rush → Power-Up Punch. The walkthrough says "you can defeat her Lucario with only two Power-Up Punches" — Korrina also gives you a Lv 32 Lucario with Lucarionite, so you can Mega Evolve and mirror-match.
★ ★ ★ Lucario gift + Lucarionite: After defeating Korrina's Mega Lucario, she hands you:
  • Lucario (Lv 32) — Steadfast or Justified ability. Already knows Swords Dance, Bone Rush, Power-Up Punch, Metal Sound. Coded to never be shiny.
  • Lucarionite — your first non-Kanto Mega Stone.
  • Mega Ring — the key item that lets you Mega Evolve any Pokémon holding a compatible Mega Stone.
This is the moment you unlock Mega Evolution in your playthrough. If you took Charmander from Sycamore in Phase 2, you can finally use Charizardite X/Y. Bulbasaur → Venusaurite. Squirtle → Blastoisinite.
Lucario

Mega Lucario — your new tool

Ability: Adaptability — STAB is 2× instead of 1.5×. Bone Rush hits like 165-power Ground STAB; Power-Up Punch escalates fast.

Type: Fighting/Steel — same as regular Lucario but with massively boosted stats.

Stat changes: +30 Attack, +20 Sp. Atk, +25 Speed, +30 Defense, +20 Sp. Def.

Recommended moveset: Bone Rush / Power-Up Punch / Swords Dance / Stone Edge or Crunch (TM later). Bullet Punch via egg move or learnable.

Phase 3–8 verdict: ★ ★ ★ Carries you through the next several gyms easily. Mega Evolve early; sweep.

Dex quick links

Pokemon in this phase