[Artifact Upgrade Success Probability]
+1: 100%
+2: 70% (Probability increases by 1% per failed attempt)
+3: 60% (Probability increases by 1% per failed attempt)
+4: 50% (Probability increases by 1% per failed attempt)
+5: 40% (Probability increases by 0.8% per failed attempt)
+6: 30% (Probability increases by 0.8% per failed attempt)
+7: 20% (Probability increases by 0.8% per failed attempt)
+8: 10% (Probability increases by 0.6% per failed attempt)
+9: 5% (Probability increases by 0.6% per failed attempt)
+10: 1% (Probability increases by 0.5% per failed attempt)