10 from dex, 5 from base, and 1% elven.
My 40 rogue has 26.9%. crit.
5% base, 3% feat, 9% attributes, 8.9% crit rating.
Do you see the problem?
each damage multiplier is independent.
But crit % all rolls together.
So base damage, skill damage, str bonus, crit damage, combat...