You can but you won't be as effective as a sage sin, sage is even superior for aps imo
It is. Even tho Demon spark will eat an unsparked sage...only way sages ever live on a demon spark is if they spark also for the reduce damage which is OP and tittys, or they can just kite....
Only thing that i like at demon is sin is Deaden and Headhunt.
and inner harmony
Are u(we) trying to post farm here?
lol no, just giving suggestions xDD