Talk:Hidden Wind Stone/@comment-37.47.175.9-20191108171639/@comment-26039274-20191109035317

It was impractical cause:
 * perfect amalgamation - 97917 SC, 2.5m celestial gems cost
 * almost perfect - 97417 sc, 2.1m gems cost
 * practical - 96792 sc, 1.3m gems cost

Emphasizing on the was cause since the start of Battle Maiden Training Ground 2, especially if you can do the last area, ignore the archwitch (only those who dont have the cards there care for them anyways lol), and voila, gems aplenty.