Originally posted by ale137
Then, if i want to make and artifact that replicates the effect of an essence 4 evocation of a 4 dot artifact, does it stays as a 4 dot artifact or do i upgrade it to 5?
That really depends entirely on the Evocation. Replicating a capstone ultimate effect as the base-level effect of a utility artifact is probably just plain out of bounds. There's no rigid mathematical formula for converting Evocations into the core utility powers of artifacts.