Steadfast Defender

Your unwavering resolve makes you a formidable protector in battle. You gain the following benefits:

• You gain proficiency in the Athletics skill.
• When you take damage, you can use your reaction to reduce the damage by an amount equal to your proficiency bonus.
• As a bonus action, you can enter a defensive stance for 1 minute. While in this stance, you have advantage on saving throws against being knocked prone or moved.
  Additionally, you gain temporary hit points equal to your level + your Constitution modifier. You can use this feature once per short or long rest.

Mythic Arcanum Homebrew