Roy/Osiris
Master: Yuko
Titles:
Enemy of Heaven and God
Lord of Winter and Darkness
Class: Saber
Strength: A
Endurance: B
Agility: B
Mana: B
Luck: C
NP: A
Class skills:
Magic resistance: C
Riding: C
Personal skills:
Charisma: B
Elemental magic: B
Able to control ice, darkness and lightning. With dark and ice being the strongest for him.
Battle continuation: B
Weakness(holy): C
As a demon his weakness is the holy element, although because of how strong he was in his life he is completely resistant to low level holy element and can only be damaged by high level holy magic.
Cayde-6
Master: Mari
Titles:
Hunter vanguard
Class: archer
Strength: C
Endurance: B
Agility: A
Mana: C
Luck: C
NP: A
Class skills:
Magic resistance: B
Independent manifestation: A
Personal skills:
Charisma: B
Battle continuation: C
Beast-Slayer: A
The user fought many mindless enemy's that could be called beasts throughout the solar system, so they know how to fight them effectively.
Blessing of the traveler: A
A skill that indicates the user has the blessing of their god, the traveler.
Whitebeard
Titles:
Strongest human
Master: Arron
Class: lancer
Strength: A
Endurance: B
Agility: B
Mana: C
Luck: C
NP: EX
Class skills:
Magic resistance: B
Personal skills:
Rumble-Rumble fruit: EX
A devil fruit that allows whitebeard to create quakes by punching the air or using his spear.
Battle continuation: A
Charisma: A
Able to command his own crew, one of the strongest and with just one sentence from him he stopped a fight between thousands.
Weakness(Ocean): EX
As a user of a devil fruit he has the weakness that he cannot swim in water, even though he is a pirate.
Sung jin-woo
Titles:
Strongest Hunter
Shadow monarch, king of the dead
Greatest fragment of brilliant light
Master: Jayden
Class: Assassin
Strength: B
Endurance: B
Agility: EX
Mana: A
Luck: C
NP: A
Class skills:
Presence concealment: C
As he wasn't a full assassin in his life and he didn't hide much or do sneak attacks that often he didn't receive the full benefit of this skill.
Divine core of the monarch: EX
As the only existing monarch left this skill is at its strongest as the user is proven to be the strongest out of the monarchs.
Personal skills:
Aura of death: A
As he is someone who lived so close to death all throughout his life death is almost constantly with him and emanates from him. It gives comfort to those who are close to death or control death itself, to others he fights against though it fills them with dread.
Portal control: B
Can create portals to go to the void for fast travel or time dilation and can teleport using it.
Charisma: B
Controls the army of death, they all follow his order without question and his charisma is one of the factors that influence that.
Monarch-Slayer: EX
This doubles as two skills in one. Boosts damage against gods/divine beings but also does extra damage against kings/emperors.
Beast-Slayer: A
The user has fought the monsters of the monarchs, and then to add insult to their injured pride added them to his army. He has fought millions of monsters so he knows how to deal with them with minimal effort.
Shadow monarch: EX
A skill that shows one has the power of the shadow monarch.
Gao peng
Titles:
Commander peng
Master: Laura
Class: rider
Strength: D
Endurance: D
Agility: D
Mana: D
Luck: C
NP: EX
Class skills:
Magic resistance: A
Riding: EX
Personal skills:
Pet skills: B
Skills he got as a reward for levelling up his pets to save him if he was ever in trouble.
Charisma: C
He can only lead his pets and doesn't have that much experience in human interaction outside his family and close friends.
Kaneki Ken
Master: Evelyn
Titles:
King of ghouls
One eyed ghoul
Eyepatch
One eyed king
Class: berserker
Strength: A
Endurance: A
Agility: B
Mana: N/A
Luck: D
NP: A
Class skills
Mad enhancement: B
Personal skills
Battle continuation: B
Pain tolerance: EX
Ghoul physiology: EX
The abilities of a ghoul. As he is known as one of the strongest, the skill is at its max.
Charisma: B
Independent action: B
Due to his tendency to do things alone, because he believes it is better for him to be under the pressure and get hurt than others he has gained this skill.
Julius novachrono
Titles:
Magic emperor
Master: Thomas
Class: Caster
Strength: D
Endurance: C
Agility: C
Mana: EX
Luck: D
NP:
Class skills
Item construction: B
As he didn't have this skill In his life he doesn't know how to use it. But even without this skill in his life he can create books and because of his obsession with grimoires he has memorised them so he is able to create grimoires on his own. The only thing he is able to create by himself is his own grimoire.
Territory creation: B
He is the magic emperor. And although he can create the castle he worked in he only creates his own room as it has everything he worked for in.
Personal skills:
Mana zone: B
Although not the most proficient he was one of the most powerful mages, so his mana zone would be powerful as well.
Time magic: A
He is a master of time magic, able to stop people in time among other things.
Charisma: A
Able to lead a kingdom even if he wasn't the one in charge.
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I removed the noble Phantasms of each of them, as it gives the story something to look forward to if you don't know what it is.