
Whole Cake Island arc reveals Sanji spent a portion of his childhood locked up in one.
One Piece has a few of these like Level 6 of Impel Down ∾ternal Hell where all the worst criminals are kept on deathrow.
Rei from Neon Genesis Evangelion grew up in a dark, dingy, creepy basement in NERV headquarters, isolated from most human contact, and lives in the same fashion as a teenager. In Kill la Kill, Ryuko is dropped into the basement of her family's burnt-out house, where she encounters a Clingy MacGuffin in the form of a Sailor Fuku. Ito even admitted walking through his cellar as a child inspired his career in horror fiction. A staple of Junji Itos work, Tomie Chapter 3 ∻asement, ∺ Deserter in the House, ∿un Summer Vacation and The Scarlet Circle from Mimi's Ghost Stories (just to name a few) all contain super creepy basements. Worse still is Shou Tuckers basement, where he performs horrifying Body Horror experiments, including merging his own daughter Nina with her dog. It becomes especially narly Ed and Alphonse unwisely perform abhorrent Human Transmutation alchemy to resurrect their mother with catastrophic results. In Fullmetal Alchemist the Elric house Resembool is a charming house.
Trunks and Krillin destroy it, to make doubly sure no more of Geros creations can appear to seek revenge.
In Dragon Ball Z, the creepy basement of Dr Geros already creepy lab contains Geros super computer, little Cell in his tube and according to seventh Non-Serial Movie Androids 13, 14 and 15. Theres also Albion the Tower of Conviction which has an outright Torture Cellar as its basement. The Tower of Rebirth has a particularly terrifying one with the lowest level being where Griffith was kept and tortured for a year in pitch darkness.