Well, when Dual Blade came out, there was also a NX look like the Evan Package. Here’s what it looks like:
It consists of 7 items.
Dual Blade Hair Coupon?
Dual Blade Suit
Dual Blade Gloves
Dual Blade Cape
Dual Blade Shoes
By wearing all of these items, I am not sure if it gives any effect. I guess we’ll find out!
The Hair Coupon I believe gives a specific “Dual Blade” hairstyle.
For male characters they get:
Both of the hairs are new.
The Owl Effect is only an effect that makes a owl follow you. It unfortunately is not a pet and serves no purpose other than looks.