1. Bottled Ethereal Flame should be Recover 1 additional Stamina after combat. Nice catch!
2. When you roll a result with Combat Event, you then roll for the enemy encountered. No need to roll. for the attribute and difficulty! "On a Combat result, the players roll once as a group on the Enemies Table. Each enemy result provides an HP total, Attack die, Defense die, and Harm dealt." (p. 27).
3. Combat uses the core concept of Hits, with the opposed roll being the LD. Draws would award a success to the player, always. "If the total meets or beats the LD of the target action, the player succeeds and does something (a Hit)! Otherwise, the player faces a setback (a Miss)." (p. 5).