LEGO® NEXO KNIGHTS™ Lexikon der Minifiguren: Mit exklusiver Minifigur - Skene, Rona - Amazon.de: Bücher
So there are sixteen realms and we only know like nine of them so if chima is one then I believe nexo knights has to be another one nexo knights may not
Lego City, Ninjago, Nexo Knights Building Books lot of 4 | eBay
Kai VS Clay | Ninjago kai, Ninjago, Lego ninjago
Lego Battle Royale: Kai(Ninjago) vs. Laval(Legends of Chima) vs. MK(Monkie Kid) vs. Clay(Nexo Knights) : r/DeathBattleMatchups