Lux

Lux (ルクス, Rukusu) are particles of light players gather in Kingdom Hearts Unchained χ / Union χ. Gathering Lux allows players to level up, giving them access to new Avatar Boards. Every week, players, Parties, and Unions compete to gather the most Lux in the Weekly Rankings.

Lux can be obtained by attacking enemies. Raid Bosses give higher amounts of Lux. The amount of Lux obtained can be increased by activating Lux Plus Skills.