The haetae (해태) is a distinctly Korean guardian creature — an ox- or goat-like animal with thick dark fur, bright eyes, and a single horn, traditionally believed able to instantly tell right from wrong. Statues of haetae still guard palace grounds and public buildings across Seoul today, where it's the city's official symbol.
Beyond justice, haetae statues were historically placed with a specific practical purpose in mind: protecting wooden palace buildings from fire, since the creature was believed to have power over flame. A haetae dream carries both threads — fairness being restored, and protection from disaster, especially anything fire-related.
Seeing a haetae calmly guarding a place — your home, a building, an entrance — is read as real protection already in place against harm or wrongdoing, similar in spirit to a loyal guard dog but carrying the added weight of moral judgment rather than simple loyalty.
A haetae dream appearing around a real dispute or accusation in your waking life is read particularly directly — interpreters generally take this as a sign the truth of the matter will come out fairly, regardless of which side currently seems to be winning the argument.