Theres 3 Kurasks what we only can kill. They take like 15 secs to spawn, And its pretty packed every times. Should add more.
King Black Dragon.
Spawn time like 1 minutes+.
And theres many slayer tasks where you could kill different monsters.
Black Dragon = Baby black dragons/KBD
Blue Dragon = Baby blue dragon
Hellhound = Cerberus
Greater demon = Zammy boss
Kalphites = Kq boss
Abyssal Demons = Abyssal Sire
Black Demons = Demonic Gorillas
Dagganoths = DKS
And ofcourse catacomb monsters.