Development and updates on this website have come to an end. There won't be any more update in the foreseeable future.
More details here 
Stats Overview
Breakthrough 0, Equipment (Ascension 1+) 1, Affinity 1.
Ascension 0
Min. / Max.
ATK: 581 / 964
DEF: 192 / 306
HP: 1448 / 2451
Ascension 1
Min. / Max.
ATK: 1066 / 1741
DEF: 341 / 541
HP: 2724 / 4461
Ascension 2
Min. / Max.
ATK: 1858 / 2495
DEF: 585 / 774
HP: 4803 / 6442
Ascension 3
Min. / Max.
ATK: 2674 / 3356
DEF: 832 / 1034
HP: 6954 / 8712
Ascensions
Ascension 1: Specular State
20
30
10
30000
Ascension 2: Radiant State
20
30
10
50000
Ascension 3: Ascended State
20
30
10
200000
Breakthroughs
Breakthrough 1:
HP increased by 300.
250
Breakthrough 2:
DEF increased by 40.
300
Breakthrough 3:
Active Skill Enhancement: Changes Active Skill to Preemptive Strike. Available upon entering combat. Inflicts 1 extra weak spot to enemies within range.
400
1
Breakthrough 4:
Increased by 300+5% Basic max HP.
500
1
Breakthrough 5:
Increased by 40+5% Basic DEF.
600
1
Breakthrough 6:
Equipment Skill Enhancement: When passing through a Dark Tile, there is a 50% chance to inflict 1 extra weak spot.
800
1
Affinity
Lv.1 We Might Have Met Before
Total Exp:
0Total bonus stats:
ATK: 0DEF: 0HP: 0
Lv.2 Lukewarm Greeting
Total Exp:
100Total bonus stats:
ATK: 6DEF: 3HP: 30
Lv.3 Self-evident Rapport
Total Exp:
300Total bonus stats:
ATK: 12DEF: 6HP: 60
Lv.4 Indissoluble Friendship
Total Exp:
600Total bonus stats:
ATK: 18DEF: 9HP: 90
Lv.5 Where Halos Converge
Total Exp:
1100Total bonus stats:
ATK: 25DEF: 12HP: 120
Lv.6 You Have My Back
Total Exp:
1700Total bonus stats:
ATK: 32DEF: 15HP: 150
Lv.7 Intertwining Twin Stars
Total Exp:
2500Total bonus stats:
ATK: 40DEF: 18HP: 180
Lv.8 Light Beyond Startrails
Total Exp:
3500Total bonus stats:
ATK: 48DEF: 21HP: 210
Lv.9 Resonating Radiance
Total Exp:
4700Total bonus stats:
ATK: 56DEF: 25HP: 250
Lv.10 When All The Stars Shine
Total Exp:
6200Total bonus stats:
ATK: 65DEF: 30HP: 300