Critical Combo (Fiora)

Critical Combo is the fourth skill in 's Rashness skill branch (and thus limited to ). It guarantees that all double attacks are also critical hits.

Overview
Crits are good, and this skill gives Fiora more of them. It does however require her to have some means of double attacks active, since the base rate is zero. It's also horrendeously expensive to link, so it'll be hard for anyone else to enjoy.