Sophix is a sub-transformation of Believix. It is the power to magically unite with nature and is the first gift of the Gifts of Destiny. It stands for wisdom. It is a source of emotional and instinctive energy which merges with the Believix powers to reach the absolute harmony with nature.
Roxy is not included in this transformation either because she does not have Believix or because she has an incomplete Believix.