Remove redundant information
"As with all silence, will NOT stop Skeleton King's Reincarnation." "Disables Permanent Invisibility."
It doesn´t have anything to do with drow ranger. Any silence disables permanent Invisibility, this is not a special trait of drow ranger.
you could also add that manta dispells THIS silence like it does with ALL silences. you could also add that darc pact can debuff THIS silence you could also add that it disables liquid fire.
these informations should be kept at the sites of Skeleton King, Riki, Mirana, Slark and Jakiro. otherwise you would fill the page unnecessarily.
Itemization is out of date
Manta on Drow isn't even a fraction as good now. Illusions now no longer get her ult and cant use precision. That would be fine, except she also has 1.9 agi gain, not the best starting agi and tends to get a mix of agi and flat damage items. The only reason to even get it now is for the yasha and for transform invulnerability. Even getting butterfly doesn't do much for manta illusions due to portions of its stats being flat gains.