Looking for a specific Harry Potter fanfiction: Snape adopts Harry and Draco

I read it ages ago. I don’t recall it being posted on ff.net or AO3. It was a story where Snape ends up fully adopting both Harry and Draco. Harry ends up with some prophetic dreams, is at one point blinded by Lucius poking needles in his eyes, for some time can only cast spells by saying the incantation in parseltongue. There was a fair bit of torture and some elements of self harm. I don’t recall any particular romance elements or pairings. Was thinking about it recently, but can’t recall the title or author. Any help is appreciated.