Wraith King Rework Idea

As You know Wraith King is a weak hero in pro plays because they are many heroes that can do better than him both early and late game so I think some of his levels should be reworked.

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1- Wraithfire Blast
The skill idea in Wraith Night (Throwing the projectile in a line) was very cool and I think it should be applied to its in game version.

Wraith King sears enemy units with spectral fire, dealing damage and stunning, then dealing damage over time and slowing the target.

Slow: 10/20/30/40%
Slow Duration: 3 Seconds
Stun Duration: 1 Seconds
Damage over Time: 15/30/45/60
Damage: 50/100/150/200
Projectile Speed 2x of its current speed.
Max Range : 1000

Cooldown 11/10/9/8 Manacost 80/100/120/140

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2- Vampiric Attack (instead of Aura)
Wraith King gain HP based on His damage dealt when attacking enemy units.Each enemy hero in a 1000 radius will increase the lifesteal.

Lifesteal: 10%/15%/20%/25%
Bonus Lifesteal Per Hero: 5%/10%/15%/20%

***Lifesteal Wont Stack with other lifesteal sources***

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3- Reincarnation

Wraith King's members regroup after death, allowing him to resurrect when killed in battle. Upon death, enemy units in the area will be slowed by 50% for 5 seconds.Also Wraith King gains strengths temporarily .

Reincarnation Time: 3 Seconds

Bonus HP: 250/500/1000
Damage reduction (any source like io) : 5%/10%/15%
Bonus AS: 50/75/100
Bonus MS: 25/50/100
Duration : 25 Sec

Cooldown 260/160/60 Manacost 0/70/140

***The buffs will stack even if you reincarnated by aegis of immortal for example you die and use your ultimate then you die again upon second revival you gain double buffs ***

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Aghanim's Scepter

While in Reincarnation Time (3 sec) enemy units which are slowed also take 6/8/10% of their current HP as damage also reduce the cooldown from 260/160/60 to 230/130/30.

***The Damage is HP Removal So it will damage even magic immune units.***

Are These Changes Good or Bad Idea?