What can the demon crimson Oracle upgrade become?

You can use the demon soul to add its highest attribute+12. You can also use the heart to grind the soul. The heart of the demon soul is a spar specially customized for weapons and equipment below +8. Use it to forge +0 to +8 weapons and equipment, and the forging success rate is 100%! (Lei Mingyun Rena Trading Company 335,509). But the highest weapon and equipment can only be forged to +9 with the heart of the demon soul. If you want to further upgrade the demon soul level of weapons and equipment,

If you want to upgrade to above +9, you need advanced forging. Advanced forging is aimed at weapons and equipment of demon soul level 9 above 85. With the magic soul spar as the material and the superb skills of the senior magic soul master (Lei Ming Trading Company 308,509), your weapons and equipment can move from +9 to+12 step by step! There is also the possibility of failure in the forging process of advanced demon soul. After failure, the demon soul level will be reduced, but because it is based on +9 equipment, even if it fails continuously in advanced forging, the demon soul level will not be reduced below 9!