[3] Bernard became a starter as a redshirt sophomore and was named second team All-Big 12 Conference after leading the Bears with 112 tackles and also recording 4.5 sacks, three fumble recoveries, and one interception.
Despite missing much of 2023 preseason due to an injury, Bernard was named the starting inside linebacker to replace Tremaine Edmunds prior to the season.
[13] In the playoffs, Bernard injured his ankle in the wild card round against the Pittsburgh Steelers and was carted off the field.
[17] He suffered a strained pectoral muscle in Buffalo's week 2 win over the Miami Dolphins,[18] missing the next two games.
In his return against the Houston Texans, Bernard made two key defensive plays, stuffing a fourth-down attempt by Houston in the second quarter and intercepting a pass intended by C. J. Stroud for former Bills receiver Stefon Diggs in the fourth quarter, but Buffalo still lost by a last-second field goal 23–20.