Ranking monsters

[Nemphis]

Hello! I find this question very hard so I ask for help. This is not a script i need help with
I need help with ranking monsters from most difficult to least difficult for solo players.

These are the monsters i need help with:
Juggernaut, Undead dragon, Grim reaper, Hand of cursed fate, Serpent spawn, dark torturer, fury, medusa, blightwalker, plaguesmith, diabolic imp, spectre, defiler, infernalist, phantasm, war golem, warlock, destroyer, behemoth, lost soul, betrayed wraith and stone devourer.

It is alot of monsters. I understand this cant be a perfect list, close would be awesome to!
This is what i have so far.

Juggernaut      
Undead Dragon      
Grim Reaper      
Stone devourer
Hand Of Cursed Fate  
Serpent Spawn      
Dark Torturer      
Fury          
Medusa          
Blightwalker      
Plaguesmith      
Diabolic IMP  
Spectre          
Defiler          
Infernalist  
Phantasm  
War Golem      
Warlock          
Destroyer  
Behemoth      
Lost Soul  
Betrayed Wraith

 

[Sportacus]

Are you basing the monsters off of their real Tibia stats, or is this more of which ones do I think should the hardest or easiest?

 

[Nemphis]

With real tibia stats