Monster Rankings are determined by three factors, though only two tier systems exist.
The factors are strength(speed, defence and offence), intelligence (sentience, communication and cunning) and Hex (Mind control, subconscious control, Corruption and sense manipulation)
The tiers are Range and Lethality.
Range would be the amount of capability to cause harm to the surroundings a creature could have, How far it can spread or damage.
Lethality is it's prowess towards killing in general, such as how many and how easily ranked individuals are killed.
Tier-1:the creature is limited to an
area of 500-100 meters.
or(wanderer)
Tier-2:the creature is
habitual,roams the entire habitat.
Or (hunter) Eg:the home area of
a species
Tier-3:the creature is regional, it
reaches the entire region it lives
in.
Or (terror) Eg:the entire forest or
city.
Tier-4:the creature is
continental,it's powers can effect
an entire continent.
Or (disaster).
Tier-5:the creature is worldly, it
effects the whole world.
Or (Cataclysm).
For lethality,
It's power to kill a single person
(defined by ranks).
Tier-1:the creature can overpower
an unmarked individual and
mediocre mage and Is moderately
difficult for a solidified thinkers
Or (murderous).
Tier-2:the creature can
overpower solidified thinkers and
give a hard time to described.
Or (deadly).
Tier-3:the creature can kill
rarely an Abstract.Average
described are overpowered by 3x
over
Or (Fatal).
Tier-4:The creature can kill and
over power an abstract thinker and
high mage 10x over.
Or (Mortal)
Tier-5:the creature kills a vague
3x over.
Or (Ending)
The over all class of a creature is determined after the evaluation of the tier systems.
For example a creature having Tier-2 lethality and a Tier-2 Range would be classified as a 'deadly hunter'.
Lethality is used as an adjective while Range is used as a noun.
Have fun mixing the tier names to make classes <: