In the game there is an opportunity in case of unsuccessful sharpening of an Artifact to return its former point at the expense of recovery scrolls. Recovery scrolls can be purchased from the in-game store. Below we consider how many of these scrolls it is desirable to prepare before the point.
Scrolls

Blue artifact

Blue artifact. How many scrolls do I need
Sharpening Silver Scrolls
+1 3.000.000 2
+2 6.200.000 4
+3 7.440.000 5
+4 8.928.000 6

Purple Artifact

Purple Artifact. How many scrolls do I need
Sharpening Silver Scrolls
+1 8.000.000 4
+2 22.400.000 12
+3 26.880.000 15
+4 32.256.000 18

Legendary Artifact.(Yellow)

Legendary Artifact. How many scrolls do I need
Sharpening Silver Scrolls
+1 66.665.000 50
+2 242.220.000 382
+3 290.664.000 459
+4 348.796.800 551

Mythical Artifact

Mythical Artifact. How many scrolls do I need
Sharpening Silver Scrolls
+1 555.527.778 417
+2 2.619.220.018 3275
+3 3.143.064.022 3930
+4 3.771.676.827 4716

Red Artifact (Abyss)

Red Artifact. How many scrolls do I need
Sharpening Silver Scrolls
+1 4.444.222.224 2919
+2 20.953.760.144 22925
+3 25.144.512.176 27510
+4 30.173.414.616 33012