Power Levels
Soul/star power manifest in a Human when their active soul control reaches a minimum of 10%. 1% of active soul control can mobilize 2star soul power.
G - <10% - 0stars - Mortals
F - >10% - 20stars - Card Student
E - >20% - 40stars - Card Scholar
D - >30% - 60stars - Card Soldier
C - >40% - 80stars - Card Master
B - >50% - 100stars - Card Grandmaster
A - >60% - 120stars - Card Lord
AA - >70% - 140stars - Card Overlord
S - >80% - 160stars - Card King
SS - >90% - 180stars - Card Emperor
SSS - 100% - 200stars - Card Demigod
...
Grimoire Grade,
>>'Iron Grimoire - Mortal grade - [0]stars'
Iron Grimoire is the most basic of Grimoires one doesn't have to be a Card Apprentice to use it and it can only hold Mortal grade cards with no star requirement.
>>'Bronze Grimoire - Common grade - [0-40]stars'
One has to be a Card Apprentice to use a Bronze Grimoire and it can hold Mortal and common grade cards, each card can only have a star rating up to 40stars.
>>'Silver Grimoire - Uncommon grade - [40-80]stars'
Silver Grimoire can hold Mortal, Common and Uncommon grade cards, each card can only have a star rating up to 80stars.
>>'Gold Grimoire - Rare grade - [80-120]stars'
Gold Grimoire can hold Mortal, Common, Uncommon and Rare grade cards, each card can only have a star rating of up to 120stars.
>>'Platinum Grimoire - Myth grade - [120-160]stars'
Platinum Grimoire can hold Mortal, Common, Uncommon, Rare and Myth grade cards, each card can only have a star rating of up to 160stars.
>>'Diamond Grimoire - Legend grade - [160-200]stars'
Diamond Grimoire can hold Mortal, Common, Uncommon, Rare, Myth and Legend grade cards, each card can only have a star rating of up to 200stars.
...
Card Grade,
>>'Mortal grade - [0]stars - G rank'
Mortal grade cards do not contain soul power therefore one doesn't require to be a Card Apprentice to use them.
G rank - [0]stars
>>'Common grade - [1-40]stars - E & F rank'
Common grade cards can have a maximum of 40stars.
F rank - [1-20]stars
E rank - [2-40[stars.
>>'Uncommon grade - [3-80]stars - C & D rank'
Uncommon grade cards can have a maximum of 80stars.
D rank - [3-60]stars
C rank - [4-80]stars
>>'Rare grade - [5-120]stars - A & B rank'
Rare grade cards can have a maximum of 120stars.
B rank - [5-100]stars
A rank - [6-120]stars
>>'Myth grade - [7-160]stars - S & AA rank'
Myth grade cards can have a maximum of 160stars.
AA rank - [7-140]stars
S rank - [8-160]stars
>>'Legend grade - [9-200]stars - SSS & SS rank'
Legend grade cards can have a maximum of 200stars.
SS rank - [9-180]stars
SSS rank - [10-200]stars
...
Martial Arts / Occupational Proficiency,
Proficient < Elite < Master < Grandmaster < ...
Gifts
-- Gift
received Weekly Power Status
-- Power
Ranking 
-- Power
stone