Note - Ranks

Level                   Human Rank                Monster rank

Level 1 - 20     -     E-class          -                Common 

Level 21 -40     -    D-class           -               Uncommon - Rare

Level 41 to 60   -   C-Class            -             Elite 

Level 61 to 80    -   B-class             -             Mystic

Level 81 to 100   -  A-rank (Early)    -             Disaster

After A-rank, Every 10 levels is 1 Circle.

Human                                                      Monster

A-rank 1^st circle -5^th circle          -              Disaster

A-rank 6^th circle to 10^{th                  -                 Ancient}

^{S-rank 1st Circle to 5th                            -                 Epic}

^{S-rank 6th to 10th                                    -                  Legendary}

^{S-rank rankings are same as A-rank. After reaching Level 200, every 10 levels will be 1 Divine Circle.}

^{The Rankings for Weapons are the same as power ranks.}

^{The Rankings for skills follow the same as Monster ranks with the lowest rank being common and highest rank being Legendary.}