Tynusiiaa answer was incomplete so I added some monsters and number of charms you can get there. :)
Master's Voice - Diamond Servant, Golden Servant, Iron Servant also chance to kill Mad mage which loot valuable . 125 Charm points :)
Swamp Fever - Feverish Citizen chance to get items for Afflicted Outfit 15 Charm points
Sea Serpent - "The Fire-Feathered Serpent is awake. Renegade Quara control the sunken regions of Oramond."
Renegade Quara Constrictor Renegade Quara Hydromancer Renegade Quara Mantassin Renegade Quara Pincher Renegade Quara Predator 125 charm points
Thornfire - Thornfire wolf, Crystal wolf, Firestarter, Elf Overseer also chance to tame Crystal wolf by Diapason 165 charm points
Overhunting - White Deer and Starving Wolf also Chance for tame White deer usingGolden Fir Cone. After killing 400 White Deer we gonna get Achievement "Deer Hunt". 20 charm points
Deeplings - Manta Rey, also I think there is only on stage 2 and 3 Deepling Tyrant
We have chance to kill some bosses on stage 3 and tame Manta Rey by Foxtail. 75 charm points
Demon War - Shaburak Prince, Askarak Prince, Shaburak Lord, Askarak Lord. 100 charm points
Horses - Horse, Wild Horse, also chance to tame wild horse by Sugar oat. 25 charm points
Hive - Kollos, Spidris, Spidris Elite, Hive Overseer, Lady bug
Also chance to tame Lady bug by Four-Leaf Clover. 140 charm points
Insectoid Invasion - Insectoid scout 15 charm points
Horestis / The Mummy's Curse - Ghoulish Hyaena,Tomb Servant, Sacred Spider, Clay Guardian,Grave Guard,Death Priest,Sandstone Scorpion, Elder Mummy , also chance to tame Sandstone Scorpion by Scorpion Sceptre. 200 Charm points