Dedicating oneself to a specific weapon type, takes both time and energy, and is not without it's risks. However, the benefit of doing so, means that very few others can match your skill with that weapon.

This feat signifies you have mastered the "Scimitar" and similar curved, single-edged swords.

You gain proficiency in Scimitars and Dual Bladed Scimitars, if you werent already.

While weilding a dual bladed scimitar or two single scimitars, you gain +1AC.

A double-bladed scimitar has the finesse property when you wield it.

If you attack with a double-bladed scimitar as part of the Attack action on your turn, you can use a bonus action immediately after to make a melee attack with it. This attack deals 1d4 slashing damage on a hit, instead of 2d4.