In Gundam Build Fighters: Lucas traveled to Japan with his grandfather Josef, who promised him the trophy of the 7th Gunpla Battle World Championships for his birthday, investing a lot of money in the Flana Institute. However, during the semi-final round between Aila Jyrkiäinen and Sei Iori/Reiji, Aila betrayed Team Nemesis and told Lucas that if he wants to win at Gunpla Battle, he needs to play it himself Season 2: Seven years later, Lucas became the undefeated European Junior Champion in Gunpla Battle. He moved to Japan to continue his studies at Granada Academy and participates in the 14th World Championships under the alias of Lucas Nemesis. Unit XM-X1 Crossbone Gundam X-1 Kai Kai "Skull Heart"