Skill Specialist

Prerequisite: Level 8+

You gain the following benefits.

Ability Score Increase. Increase one ability score of your choice by 1, to a maximum of 20.

Expertise. Choose one skill in which you have proficiency but lack Expertise. You gain Expertise with that skill.

Specialist.  Choose one skill with which you have Expertise. Whenever you make an ability check for that skill, you can treat a d20 roll of 9 or lower as a 10.