so i dont know who he/she is or why someone would do this to there portal but the person on DW20 at the location of. X-4982 Z-4981 Y 40 has the sides of there nether portal blocked off with stone so that any portals that happen to link up to it. cant exet the portal to use chat to leave or even open invitory. esitualy its a trap. a rude one. to whoever it is. if your going to block your portal atleast do so with it being incased in a room NOT a death trap that waists someones time becuse there portal just so happened to link up to yours becuse of a wither destroying theres. and force them to sit there in your little trap starving to death in hopes of leaveing it one day. thank you.