- Yugi requires White keys to duel at the gate.
- Yugi appears at the gate at Stage 6 (DSOD)
- Reach Stage 6 in (DSOD) Duel World. To trigger his unlock missions
- Summon Deep-Eyes White Dragon 1 time(s) while playing as Seto Kaiba (DSOD), in a Duel against Yugi Muto (DSOD).
- Summon Spellcaster-Type monsters 3 time(s) in a Duel against Yugi Muto (DSOD) using Yami Yugi.
- Achieve 3 No Damage win(s) in Duels against Yami Yugi at level 30 using Seto Kaiba (DSOD).
- Special Summon Rock-Type monsters 10 time(s) in Duel World (DSOD) Duels.
- Special Summon Warrior-Type monsters 10 time(s) in Duel World (DSOD) Duels.
Lvl 40: Fire King Yubel Farm
- Use Fire King Avatar Yaksha or Fire King Island to destroy Yubel and summon Yubel - Terror Incarnate
- Use My Name is Yubel and Sangan to make sure Yubel is in your hand.
- Cycle through your deck with Fire King Island and Sangan
- Save three high level monsters for the last turn.
- Summon Montage Dragon with 10,000 or more ATK by discarding your high level Yubel Monsters
- Use Shien’s Spy on your Montage Dragon to give it to Téa.
- Activate another Fire King Island over your current one to destroy your Terror Incarnate to summon Yubel - The Ultimate Nightmare
- Attack your Montage Dragon with Ultimate Nightmare, dealing 10,000 effect damage.
- Witch of the Black Forest is objectively better then Sangan for this farm, because it also searches Yaksha, but it’s from a Selection Box.
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