Question about Raising a Skill from Default

[Kraydak]

Originally Posted by Ultraviolet

... I donøt know if you can get away with only a single point (which might not mean anything) in skill B or if you need to raise it a full level.
This is how 3rd ed was, and I believe 4th says this as well.

Note that if you need to raise a full level, then it is possible to lose a default, so a single point in B needs to be all that is needed to have C=default(default(A)+X) where X can be 0.