First, you need to collect as many Alchemy Stone (AS). There are 2 ways of getting it.
1. Offensive Duel ~ You will get 4AS per win. Receive the AS from your Inbox
2. Defensive Duel ~ You will get 6AS per counter. Receive the AS from your Inbox
3. Archwitch(AW) Battle ~ You can get 0~50AS per win (may be more if it's your own AW)
Note: You can only keep 199AS at most
Next
you will need to go to the summon page to trade your AS for raw
materials. You can pick either of the two summon, Crucible (10AS) or
High-Graded Crucible (40AS).
Here are the list of raw materials:
1. Philosopher's Stone A - Crucible and High-Graded Crucible
2. Philosopher's Stone B - Crucible and High-Graded Crucible
3. Philosopher's Stone C - Crucible and High-Graded Crucible
4. Philosopher's Stone D - Crucible and High-Graded Crucible
5. Philosopher's Stone E - High-Graded Crucible
6.
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