The Pacers rank 25th in the NBA in three-point % (32.6%), and the Cavaliers rank 13th in three-point % allowed (33.8%). The offense needs to find something against an average defense.
League average is 34.7%, so the Pacers are 2.1 points below it. Tyrese Haliburton leads them with 21.8 points a game on 63.4% true shooting.