This category lists 13th-level creatures in 4e.
“Graveborn are humanoids who had such a powerful fear of their ultimate fate that they returned...Graveborn (4e Monster)
“Snakes are limbless reptiles that are found in a wide range of climates and terrains. All...Snake (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)