Stand Tall and Upright

Watching your compatriots, you study how they walk and stand with medical precision. At a critical moment in combat, adrenaline fueling you, you stand upright and strike with great ferocity.

• Choose Strength or Constitution and boost the chosen ability score by 1
• You stand up as a bonus action for 1 minute or until you dismiss it as a bonus action. While standing, you deal 1 additional d8 of damage with melee attacks. 
• If done outside of combat, you gain advantage on Intimidation checks.

You may stand once a long rest without fail. You can attempt to do so up to 3 times between long rests. If you do so, roll a Strength check with a dc of 15. If you fail, you gain a level of exhaustion and can take no actions this round of combat. If done outside of combat, you have disadvantage on Insight and Intimidation checks. If you attempt to stand after a failed attempt, you roll with disadvantage.