Parallel
Isaiah 14:15
Rahlfs Septuagint (1935) · Berean Standard Bible
νῦν δὲ εἰς ᾅδου καταβήσῃ καὶ εἰς τὰ θεμέλια τῆς γῆς
But you will be brought down to Sheol, to the lowest depths of the Pit.