https://arweave.net/Cn-GEtVgpT2B8fr9uHYC2l6u4KvEsOpNDAz3AsUsKpM Rev. 20:14-15

(14) And death and hell were cast into the lake of fire. This is the second death.
(15) And whosoever was not found written in the book of life was cast into the lake of fire.