oh it happened like 2 times to me on that same run lol
sorry for replying so late btw, tried to pull the glitch off and if you talk to him while being as far away from him as possible and then spam x while trying to run from him it works sometimes. there are 2 ways to get the dialogue box out of the screen though
1: talk to pikit again
2: get far away from him and it will eventually dissapear
