Aside from "Lets guess what GWEN skills are!" I haven't seen a thread like this ever being made in the time I've been here and I didn't see any rules forbidding its creation so here it is
ITT we make assassin skills, this is also not intended to be a "omg lets hope ANet looks at this thread so they make them" thread but rather, just for fun, as well as out of curiosity to see what everyone would like to run on their dream sins.
Golden Blossom Strike
Off-hand Attack. Must follow a Lead Attack. if it hits, this attack strikes for +10...25 damage. If you are under the effects of an enchantment, all adjacent foes take 10...25 damage.
Lead Attack. If this attack hits, you strike for +11...21 Lightning damage. This skill has 20% armor penetration.
Hex Spell. For 3...12 seconds, target foe is hexed with Murderous Intent. The next time an ally inflicts damage to target foe, you shadow step to that foe's location.