Note: This is inspired by the marvel power rankings and the character tiering from VS battle wiki.
Peak human capabilities, or humans with a lot of weapons and equipment, or both the possibilities.
LOW METAHUMAN LEVEL:
Superhumans, easily above street level, ables to lay waste buildings and city blocks, up to people capable to destroy entire cities.
MID METAHUMAN LEVEL:
More powerful than an nuclear weapon, they are able to set off natural catastrophes and remove whole mountains or islands.
HIGH METAHUMAN LEVEL:
Major threats if we compare the previous level, can destroy countries or higher, they could be considered a planetary threat or even life wiper.
LOW HERALD LEVEL:
Easily life wiper and maybe small celestial body level (like the moon), at least massively hypersonic to relativistic speed. Sometime they has some kind of really strong abilities. Usually they can survive in space.
MID HERALD LEVEL:
At least planet level, to very large planet level (like brown dwarfs) and FTL speed. Survives in space usually, wide range of powers/energy manipulation, transmutation, etc.
HIGH HERALD LEVEL:
Casual planet level, normally star level and some times solar system level, at least FTL+. Lots of powers such as some minor reality warping sometimes, dimensional travel/time travel abilities quite often.
Usually easily solar system level and massively FTL, and the tops tiers are multi solar system level.
LOW SKYFATHER LEVEL:
At least star cluster level, often galaxy effecting, localized reality warping, highly varied powers, can create life, etc.
MID SKYFATHER LEVEL:
True galaxy level, time-space/quantum manipulation, usually very powerful telepathy, dimension creation/destruction, etc.
HIGH SKYFATHER LEVEL:
Multi galaxy level, can easily break the law of causality, and can cause effects can often span or breake the entire universe.
CUBE BEING LEVEL:
True universe level, with multiversal effects. Immense level reality warping. Often can reach across an entire multiverse for effects.
LOW ABSTRACT LEVEL:
Casual universe buster, probably multiverse level, multiple levels of infinity. Easily multiversal effects, can take easily multiples universal attacks and abilities in stride without difficulty.
MID ABSTRACT LEVEL:
Often the embodiment of a concept, at least multiverse level, they can cause megaverse effects. Multiversal abilities, can defeat and create powerful beings, cosmic near-omniscience, immense versatility in all attributes, etc.
HIGH ABSTRACT LEVEL:
Those who could getting to megaverse level, are also counted as nigh-omnipotents. They are usually the second strongest within an omniverse, only inferior to a true omnipotent.
SUPREME BEING LEVEL:
They who are the strongest within their respective omniverses.
Those who are above the logic, usually only for fun purposes and they cannot be taken seriously.
Those who are just normal people and animals, to characters form action movies and strong animals.