In order to have a better understanding of the power level, I made a table for each character's stats. They'll have some importance, as a handful of classes/people within the story can (or will be able to) access them.
I've put Laura in it to represent a normal person strength from within the world, and Valentine because she's one of the few to have reached the end. Don't mind Eve...
Here's the meaning of each stats:
-Strength: The ability to lift heavy things and hit hard.
-Agility: The ability to run fast and evade quickly.
-Dexterity: The ability to craft and/or use weapons.
-Intelligence: The ability to remember things and solve puzzles quickly.
-Flux Control: The ability to use flux efficiently. (Using more flux than you're supposed to will result in heavy headaches and loss of consciousness)
-Flux Power: The pool of flux available to you at a time. The higher it is, the more powerful spells and techniques you can use. (Like a mana pool)
Techniques are their ability, but for some, they simply have too much of them, so I only put the most relevant ones.
The lvl don't have any impact on the stats, they're indicative of the corresponding struggle in term of strength. If you come to a struggle under level, there is a high chance you'll die horribly, and there is a huge step after each tens (10,20,30,...) That's why a few are stuck on lvl19, even though they're not that far behind.
There is also a lot of hidden stats, such as Willpower, Toughness, Wisdom, etc. And Techniques are playing a huge role in one's ability to kick asses. For instance, Samsy has shitty stats compared to others, but he can see into the future so he's not as far behind as it seems.
For reference, most newcomers start with all their stats below 10.
Finally, this is their stats when they leave stage 10, so it is bound to change.
Laura (lvl 1)
Strength 1.4 Agility 2.2 Dexterity 2.4 Intelligence 9 Flux Control 0 Flux Power 0 Techniques
Samsy Sacre, Seer of Humility (lvl 13)
Strength 13 Agility 14 Dexterity 14 Intelligence 11 Flux Control 15 Flux Power 12 Techniques Foresight
Instinct Vision
Art of the Flow (Beginner) ...
Haru Hasilf, Devotee of Kindness (lvl 19)
Strength 22 Agility 29 Dexterity 34 Intelligence 14 Flux Control 32 Flux Power 65 Techniques Illusion Magic (Proficient)
Imagination (Proficient)
...
Marie Murry, Mason of Chastity (lvl 19)
Strength 41 Agility 67 Dexterity 94 Intelligence 56 Flux Control 104 Flux Power 23 Techniques Material Gathering (Beginner)
Universal Artisan (Beginner)
Blueprint Reader (Advanced)
Art of the Flow (Beginner) ...
Xavier Xerfos, Warlock of Patience (lvl 27)
Strength 112 Agility 74 Dexterity 89 Intelligence 61 Flux Control 56 Flux Power 62 Techniques Mind Blow
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Thought Steel
Mind Slash
...
Kyle (lvl 24)
Strength 42 Agility 73 Dexterity 88 Intelligence 34 Flux Control 15 Flux Power 16 Techniques Track (Advanced)
Invisible Strike
Camouflage (Proficient)
Silence (Mastered) ...
Prometheus Peco, Mender of Generosity (lvl 23)
Strength 42 Agility 21 Dexterity 13 Intelligence 10 Flux Control 14 Flux Power 21 Techniques Auto Heal (Proficient)
Barrier Creation (Beginner)
Magic [Wind(Beginner), Earth(Beginner), Water(Beginner), Fire(Beginner)]
...
Naomi Nuance, Conjureress of Temperance (lvl 27)
Strength 18 Agility 24 Dexterity 31 Intelligence 1394 Flux Control 32 Flux Power 145 Techniques Magic [Fire(Advanced), Water(Proficient), Earth(Proficient), ...]
MultiWiccas Casting (Beginner)
Spell Creation
Flux Gathering ...
Alice, ??? of ??? (lvl 32)
Strength 112 Agility 135 Dexterity 116 Intelligence 1394 Flux Control 92 Flux Power 81 Techniques Magic [Fire(Proficient), Water(Proficient)]
Double Jump
Lightning Gathering
Spatial Splitting Art (Beginner)
Valentine ???, Champion of Kindness (Lord)
Strength 84 Agility 234 Dexterity 265 Intelligence 32 Flux Control 1438 Flux Power 1594 Techniques Excalibur
...
Eve
Strength Enough to shatter a star with a punch. Agility Faster than light. Dexterity More than you. Intelligence Knows everything, yes even that. Flux Control More than perfect. Flux Power Infinity+3 Techniques Eve's Blessing
Eve is the Best
I wrote this myself <3<3<3
...
Yes, there are overpowered, but it's only the start of the adventure, and even though their stats are sometimes tenfold what it is in a common session, they were close to dying a fair amount of times. And they're not even halfway through.