[Arts] Chant: Goddess' Blessing

* [Chant] effects will change as followings.{nl}* Crusader Recovery Effect: [30 + Chant Level x 2]%{nl} Magic damage +[Chant Level x 2]%{nl}* Grants [Goddess' Blessing] buff which allows the caster to use both [Blessing of the Goddess] and [Goddess' Retribution] effects at a time{nl}