How many runes are needed for a transmutation?
The transmutation planner uses nine runes of the same rarity for one random result.

Have a stack of runes and want to know what you can do with them? Choose the rune tier, enter how many runes you own and review the transmutation options. Use the calculator to plan how many resources to set aside before converting runes.
Enter your setup and calculate to see a result.
Select the class and rune tier, then enter the number of runes you currently own. Use the advanced options when you need to adjust the target chance or other supported assumptions.
Nine runes of the same rarity combine into one random rune. Compare the number of attempts you can make with your inventory before using valuable runes.
The transmutation planner uses nine runes of the same rarity for one random result.
Use the advanced target-chance option to estimate how many attempts to plan for.
No. Transmutation results are random within the game's applicable rules.