A fighter receives a superiority die for choosing Superior Technique fighting style, then reaches level 3 and chooses Martial Archetype; Battle Master. Can the superiority die from superior technique be used to perform the newly learned maneuvers? Relevant Rules info: > **SUPERIOR TECHNIQUE** You learn one maneuver of your choice from among > those available to the Battle Master archetype… You gain one superiority > die, which is a d6 (this die is added to any superiority dice you have > from another source). This die is used to fuel your maneuvers. (Tashas p.41) And > **COMBAT SUPERIORITY** When you choose this archetype at 3rd level, you > learn maneuvers that are fueled by special dice called superiority > dice… > Superiority Dice. You have four superiority dice, which are d8s. A > superiority die is expended when you use it. You regain all of your > expended superiority dice when you finish a short or long rest. (PHB p.73)