Tyranny of Dragons

Akkron considers for a brief moment... then casts hold person at 6th-level, targeting all five of the cultists, who must make a DC 21 Wisdom save or be paralyzed for the duration.

These people have done nothing to you, he says, his voice dripping with what can only be described as deep disappointment. I have already given you my only warning; your lives are forfeit.

Strange Figures Wis Save with advantage - Magic Resistance

16

17

16

12

21

4 of them are paralyzed with 1 passing.