Items for aging

Ummm i dont know where the last 3 aging items are and i was wondering if anyone culd tell me
since im almost done but i cant find the last 3 items needed for aging (that rockstone with blue circle in middle ,
the rockstone that looks like a fossil, and that red skull) so can anyone tell me where to get
tymv for ur help

bellum you can find in lost island and above

and the other one, "no future" as it is called, you can get by killing kelvezu. the dragon boss for the lvl 90 cave.