Danger Sense

Your observation skills are uncanny in the highest degree, and your natural sense of threat detection is unmatched. You are a trained warrior and know how to combat what you see even sometimes before you've seen it.  Once you take this feat, you gain the following benefits: 

• Harmful creatures attemptiing to hide from you do so with disadvantage. 
• On any roll of a d20 made for a wisdom (perception) check, treat a roll of 9 or lower as a 10. 
• Finally, your sense is at its peak within the heat of the moment, you gain advantage on all ability checks, attack rolls, and saving throws made dueing the first round of combat.