Duskblade Rework idea

Stats: +45 Attack Damage +10% Cooldown Reduction UNIQUE Passive: +18 Lethality UNIQUE Passive - Prowl: Gain 2.5/5/7.5% Bonus Move speed when moving toward enemy champions. The bonus is doubled (5/10/15%) if at least one enemy champion has lower than 45% health. UNIQUE Passive - Nightstalker: After being unseen for at least 5/2.5/1 second(s), your next basic attack against an enemy champion deals 30 - 175 (based on level) bonus on-hit physical damage and slows by 33/66/99% for 1/0.5/0.25 seconds. The enhanced attack lasts for 4 seconds after being seen by an enemy champion. (20 second cooldown)