Dragon soul 1-click !

[R256666169]

Hi all ! just don't slap me for question !
how 1-click work in dragonsoul ?? coz i have so many purple souls at lv1 but when i use devour nothing happen to them ! is it bug or u need certain number of one kind !??
one time i had 6 from one kind (same in lv & name ) & with 1-click no lvup i really like u to inform us about 1-click thing how works !
there is a screen shot from it

[Painindaback]

It doesn't work on purple/orange so that you don't lose them accidentally

[R256666169]

wow i found out ! u should drag them to each other & they get experience like that , like fire on fire !