Your past heroic life grants you the following benefits.
Heroic Soul
At the start of each of your turns, you can spend 1 Sorcery Point to gain 1d6 plus your Sorcerer level in Temporary Hit Points (no action required).
Innate Bladework
Whenever you attack with a weapon with which you have proficiency while your XPHB feature is active, you can use your Charisma modifier for the attack and damage rolls instead of using Strength or Dexterity.
Martial Training
You gain proficiency with Martial weapons and training with Light armor, Medium armor, and Shields.