The sun tears are dropped by Flame demons, but they are still rare.
not sure about the miracle eggs.

go to the top of the tower of eternity and make sure to have along a id with long glide
ability then double jump and glide to the tower of evermore which u will see in the
distance it is a drop from golden bones which you will fight at the end of that tower

if you go to the save room in balhjet mountains before the dragon fight enter and go out
cos there are coming 3 skeletons right if there arent any a golden bones comes there i got
2 miracle eggs this way very fast repaet that