A misty greenish light shone far away in what looked like the middle of the lake; it was reflected in the completely still water below.
The greenish glow and the light from the two wands were the only things that broke the otherwise velvety blackness, though their rays did not penetrate as far as Harry would have expected.
The darkness was somehow denser than normal darkness" The Cave was the cave by the sea where Tom Riddle was taken as a child.
As Lord Voldemort, he later used the cave to hide Salazar Slytherin's Locket, one of his Horcruxes.
Also keep in mind that the list will be subject to change as more new units/maps are coming out and it could affect the viability of the character.
Regulus Black offered Kreacher and he was taken here.
I will be keeping the list up to date as soon as I have more data.
The 2-3 star characters do have some use, but will be obsolete once you get any of the good 5/6 star unit.
After a long time of this figment of his imagination taking away his sanity, he spotted Aunt May and Mary Jane and had no idea what to do, but his dark side persuaded him to order a black suit similar to Peter's and put it on, apparently making the decision that would forever damn him.
Eddie was subsequently tormented by hallucinations of the symbiote, representing his dark impulses, and had a hand in determining Aunt May's fate when she was in the same hospital as him after being shot by a sniper hired by Wilson Fisk.
The cave was used again when Regulus Black stole the original locket and when Albus Dumbledore and Harry Potter went searching for it.