Any magic-user who openly professes their use of magic is going to get shanked pretty damn quickly. Even in the Hatcuri nations, where spirit calling is common, it appears to be written off as religious worship that occasionally gets a palpable response from the gods, and even then it probably isn't too common.
If your character was causing priests to turn catatonic and holy water to turn to stone as a baby one has to question why they weren't burned alive right off the bat instead of just being left for exposure. Hell, the whole family would probably get the circle for that sort of thing.
Aside from toning down the obviousness of your supernatural abilities a bit, and filling out the power source, etc. etc. thing from the OP I don't actually see much wrong though. You're still human (which is huge, in my book), and Ichor is pretty similar to Pompulion in a few ways and he's been fine so far. You'll still need Iituem's Ok, of course, but if your magic is reasonable and doesn't involve some kind of world-destroying demons or something else stupidly powerful it should be fine.
Earlier in the thread Iituem mentioned that we as the GMs rarely kill PCs, unless it's a life-or-death situation. You should know that, at least when I roll, every use of magic is a potential life-or-death situation. Locanil could very easily accidentally sacrifice all his blood to a spirit, Pompulion could find himself consumed by the shadelings he works to control, and your character could find themselves turned into a pillar of salt in the shape of a man...or something. So just be aware of those risks.