Guardian Fusion (Star Upgrade)
The Guardian Fusion system allows players to upgrade their Guardians by increasing their star level, significantly boosting their performance in both farming (GC/GS generation) and battle (Damage Ranking).
How Fusion Works:
Fusion requires two Guardians of the same class, rarity, and current star level.
Once fused, the selected Guardian will have its star level increased by +1.

The other Guardian used in the fusion process is consumed (burned) in exchange for the upgrade
Fusion Rules:
Class must be the same.
Rarity must be the same.
Star level must be the same (e.g., 2★ + 2★ → 3★).
Requires a GC cost depending on the star level upgrade.
Star Multipliers:
Higher star levels grant a multiplier to both GC/GS earnings and Damage output.
Star LevelMultiplierFusion BonusMultiplier Base + Bonus★ 1 Star
1x Base
0%
1.0 x 1.00 = 1.00
★★ 2 Stars
2.5x
1%
2.5 x 1.01 = 2.525
★★★ 3 Stars
5.0x
2%
5.0 x 1.02 = 5.10
★★★★ 4 Stars
10.0x
4%
10.0 x 1.04 = 10.40
★★★★★ 5 Stars
20.0x
6%
20.0 x 1.06 = 21.20
★★★★★★ 6 Stars
40.0x
8%
40.0 x 1.08 = 43.20
★★★★★★★ 7 Stars
80.0x
10%
80.0 x 1.10 = 88.00
Table – GC per Day (Rarity x Star)
Common
10
25.25
51
104
212
432
880
Uncommon
20
50.5
102
208
424
864
1760
Rare
40
101
204
416
848
1728
3520
Epic
60
151.5
306
624
1272
2592
5280
Legendary
100
252.5
510
1040
2120
4320
8800
Mythic
150
378.75
765
1560
3180
6480
13200
Table – GS per Day (Rarity x Star)
Common
0,05
0,13
0,26
0,52
1,06
2,16
4,4
Uncommon
0,2
0,51
1,02
2,08
4,24
8,64
17,6
Rare
0,6
1,52
3,06
6,24
12,72
25,92
52,8
Epic
1,2
3,03
6,12
12,48
25,44
51,84
105,6
Legendary
2
5,05
10,2
20,8
42,4
86,4
176
Mythic
3
7,57
15,3
31,2
63,6
129,6
264
Fusion Costs (GC):
1★ → 2★
1,000 GC
2★ → 3★
3,000 GC
3★ → 4★
5,000 GC
4★ → 5★
10,000 GC
5★ → 6★
15,000 GC
6★ → 7★
20,000 GC
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