I love how throughout his performance, Callum Turner never misses to show that Theseus is scared
Edit:
And who can blame him? Grindelwald’s magic is beyond anything even people he works have ever seen, but they and the public expect him to lead the fight against it ... and he has no other option but to try - he’s capable, and not a coward ... but he’s terrfied to fail them, and by that, perhaps their entire side