This category lists 13th-level creatures in 4e.
“The egg of lolth is a potent artifact with a long history. It was once a cursed item which...The Egg of Lolth (4e Equipment)
“Graveborn are humanoids who had such a powerful fear of their ultimate fate that they returned...Graveborn (4e Monster)
“The weaver of twilight is a sacred blade of arachne, imbued with the power of the twilight web...The Weaver of Twilight (4e Equipment)