For the playable character whose last name is Isolet, see Lass.

Lothos Isolet is one of the founders of Grand Chase, recruiting Elesis, Lire, and Arme to their guild. She is the guardian of Serdin kingdom.

As the quest NPC for the Serdin region, the Knight Master is only seen in the dialogue of Serdin dungeons. She gives missions to the trio until they reach Gorgos' Dungeon, where she sends them off to find Kaze'aze and wishes them luck.

Speaking to Lass, she does not judge him by his past and does not hold him responsible for his actions while possessed, giving him a chance to start over.


  • In Grand Chase V, Knight Master became the quest NPC for the Serdin region.
  • At the first mission of Trial Forest, she introduced herself as Knight Master Isolet.
    • Despite her being an Isolet, there is no confirmation of a familial relationship between her and Lass, and Rufus by extension.
  • In the Grand Chase Comic Guide, Knight Master helps a newbie named Aimee to start the game.


Other Characters in Grand Chase
List AdelAlfredAnyuAppleArthurAsin TairinBaldinarEckhartEdnaElenaElscudElswordElunaEnnaGerardGrandarkGrandielHarpeHaruHeitarosJeevesLothosKiwiLadmirLegisLianMuheeMyrielleNanaOsirisOzRandyPanPenelopePeterPinoSatyrSebastianSerreVarVanessa