Underline guy’s recovery + explanation deck [INCOMPLETE]

i did this a long time ago when underline guy (_______________) had decks

i got some new discoveries!! uhh so underline guy has a yt channel with a username of llllll-n8u. his desc said a castle link and decrypted (caesar cipher - 13 shift) it said https://s.castle.xzy/c3Tsr-GUfN49: aka @strength ‘s account

???

when is the 7th deck gonna be made