Question

Inscriptions on these objects are used to describe a concept "as Mystery" and "as Return" in a book partially titled for "salvation" by Jan Assmann. A collection of compositions named for these objects includes elaborate depictions of the Paths of Rostau and Field of Offerings in its Book of Two Ways. Spells protecting transmigration (0[1])of the akh appear in those texts named for these objects. (0[1])In Plutarch's retelling, one of these objects (*) secretly designed for Isis' husband is displayed at a (10[1])banquet for the guests to try. Osiris floats along the Nile (10[1])after Set tricks him into getting sealed inside one of these objects. For 10 points, name this general type of object Howard Carter found King Tut stored inside. ■END■ (10[1])

ANSWER: coffins [accept sarcophagus or sarcophagi; accept Coffin Texts; prompt on less specific answers like boxes or containers] (The Jan Assmann book is Death and Salvation in Ancient Egypt.)
<Mythology - Mythology>
= Average correct buzz position