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: 523 / 878
DEF: 166 / 268
HP: 1281 / 2141
Ascension 1
Min. / Max.
ATK: 983 / 1609
DEF: 302 / 484
HP: 2398 / 3894
Ascension 2
Min. / Max.
ATK: 1731 / 2323
DEF: 527 / 699
HP: 4212 / 5625
Ascension 3
Min. / Max.
ATK: 2515 / 3149
DEF: 756 / 940
HP: 6103 / 7618
Ascensions
Ascension 1:
20
30
10
30000
Ascension 2:
20
30
10
50000
Ascension 3:
20
30
10
200000
Breakthroughs
Breakthrough 1:
HP increased by 300.
250
Breakthrough 2:
DEF increased by 40.
300
Breakthrough 3:
Chain Combo Enhancement: When attacking marked targets, Chain Combo attacks ignore DEF completely. (Valid for Ascension II.)
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:
Active Skill Enhancement: Can be cast again after entering Aurora Time or when a marked target is defeated.
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