In my opinion you can hunt solo on Kroazur
(you can kill him per 2h if u finished mission "Nightmare Intruders" in A Dream Come True Quest.
Valuable items: Gold tokens
, Silver tokens
, Nightmare Blade
, Cluster of Solace
,Gold Ingot
.
With team of 5 people you can try to kill Lloyd 
Valuable items: Gold tokens
, Silver tokens
, Pillow Backpack
, Demon Helmet
, Spellweaver's Robe
, Spellbook of Warding
, Lunar Staff
, Rift Lance
, Boots of Haste
, Enchanted Chicken Wing
, Magic Sulphur
.
You can also hunt on monsters like Yielothax
(if u kill 2k Yielothax you will be able to fight with Raging Mage
. If you are lucky you can loot Elemental Spikes
).