So the new duskblade changes
Duskblade of Draktharr -
•Stats:
◦AD lowered to 65 from 75
◦Movement speed removed
•[NEW] UNIQUE Passive: +20 Lethality
•[NEW] UNIQUE Passive: +20 Movement Speed out of Combat
**•[NEW] UNIQUE Passive - Nightstalker: After being unseen for at least 1 second, your next basic attack will deal 50 + (200% Lethality) true damage on-hit.
**
**•[NEW] UNIQUE Passive - Blackout: Gain true sight for 8 seconds when spotted by an enemy ward (90 second cooldown).
Okay, I see how this fits the new assassin theme. But I assume you forgot about Vayne right? Also, she can't be detected by pinkwards anymore. This is legit nightmare fuel.
By the way, khazix with his new ult seems to do good with this too.