FIRE your personal trainer if they unironically say that
⭕️Dropsets,
⭕️Supersets,
⭕️high reps (8+ reps)
⭕️partial reps
⭕️ "chasing a pump"
...are better for muscle growth than just straight hard sets 4-8 reps with 0- 1 rep in the tank.
NONE of these have anything special