Yu-Gi-Oh! Over the Nexus - Duel Puzzle 10

This is the tenth downloadable Duel Puzzle for Over the Nexus.

Player
1000 LP

Field
 * Battle Waltz, face-down
 * Lightning Vortex, face-down
 * Miniaturize, face-down
 * Limit Reverse, face-down

Hand
 * Ljosalf of the Nordic Alfar
 * Level Eater
 * Guldfaxe of the Nordic Beasts
 * Svartalf of the Nordic Alfar
 * The Fiend Megacyber

Graveyard
 * Valkyrie of the Nordic Ascendant

Extra Deck
 * Thor, Lord of the Aesir
 * Loki, Lord of the Aesir
 * Odin, Father of the Aesir

Opponent
10200 LP

Field
 * Blackwing Armor Master, Attack Position
 * Blackwing Armed Wing, Attack Position
 * Infernity Guardian, Attack Position
 * Dimensional Prison, face-down

Solution

 * 1) Special Summon Guldfaxe of the Nordic Beasts.
 * 2) Special Summon The Fiend Megacyber.
 * 3) Discard Level Eater for Lightning Vortex. The opponent's Synchro Monsters are destroyed.
 * 4) Normal Summon Ljosalf of the Nordic Alfar.
 * 5) *Target The Fiend Megacyber for Ljosalf's effect, and then Special Summon Svartalf of the Nordic Alfar with the same effect.
 * 6) Special Summon Level Eater by reducing The Fiend Megacyber's Level.
 * 7) Synchro Summon Thor, Lord of the Aesir using Guldfaxe, Level Eater, and The Fiend Megacyber.
 * 8) Activate Thor's effect, negating the effects of the opponent's monsters.
 * 9) Activate Battle Waltz, duplicating Thor with the Waltz Token.
 * 10) Special Summon Level Eater by reducing the Waltz Token's Level.
 * 11) Synchro Summon Loki, Lord of the Aesir using Svartalf, Ljosalf, and Level Eater.
 * 12) Repeat step 9.
 * 13) Activate Miniaturize, targeting the Waltz Token.
 * 14) Activate Limit Reverse and revive Valkyrie of the Nordic Ascendant.
 * 15) Synchro Summon Odin, Father of the Aesir using Valkyrie, Level Eater, and the Waltz Token.
 * 16) Special Summon Level Eater by reducing the Level of any one of your monsters.
 * 17) Enter the Battle Phase.
 * 18) Attack Infernity Guardian with Loki.
 * 19) *The opponent attempts to activate Dimensional Prison. Negate it with Loki's effect.
 * 20) *Loki's attack proceeds. (Opponent's LP: 10200 → 8100)
 * 21) Attack directly with all remaining monsters. (Opponent's LP: 8100 → 4100 → 600 → 0)