D&D 5E rule clearification

[Orsamannen]

do i get more ues of the mystic arcanum thing meaning that of i ue my level 6 version can i also use my level 7 one if i have acces to it

 

[jgsugden]

A warlock of level 13 would have a 7th level Mystic Arcanum and a 6th level Mystic Arcanum. Each could be used once per long rest.

 

[Orsamannen]

A warlock of level 13 would have a 7th level Mystic Arcanum and a 6th level Mystic Arcanum. Each could be used once per long rest.

Thanks