Fractured Crown Sealed Kit includes four packs of DOA Alter and four packs of FTC in addition to a sealed event pack.
The sealed event pack contains all of the normal lineage champions and eight pre-selected cards for deck construction.
The sealed event pack also contains two special cards: A Prismatic Spirit that lets you choose two basic elements among Fire, Water, and Wind, and a Gate of Alterity that lets you unlock an additional class.
(Prismatic Spirit and Gate of Alterity are not legal for Standard format.)