Roll a D20 versus a challenge rating of 10; if successful, you gain the advantage you choose; if not successful, you do not gain the bonus. If successful, this action takes up to an hour to perform. This feat cannot be stacked; however, if the day is not up and having performed a short rest for the day, you can change the bonus, but it still takes at least 1 hour to perform.

After performing a short or long rest, you can perform one of the following actions;

Training time; choose 1 stat to train for the day to get a +1 modifier for the day, too, but the challenge rating is 15 for this instead.

Weapon training; a refinement in your craft, gaining +1 to rolls on the said weapon for the day

Skill brush up; a refinement in your skill gaining +1 rolls to said skill for the day

Stone mind, the stone body; gain a D4 of extra hitpoints for the day.

The enduring body; for the day, it takes 1 additional point of exhaustion to kill you, and you're able to carry 10 additional lbs for the day.

Pain reduction; choose 1 dmg type and take -1 point of damage from said damage type and for the rest of the day and not feel inflicted pain from attacks as much as your party member's for the day.

Marksman; for the day, gain a +1 check modifier to all ranged combat rolls.

Save choices; choose 1 save type and gain a +1 modifier to it for the day.