Release Dates for the Idoneth Deepkin includes the normal Battletome, Dice, and Datacards. Check out the latest.
via Warfo (eldanaste posted them)
http://www.miniwars.eu/2018/03/idoneth-deepkin-en-la-white-dwarf-de.html
https://war-of-sigmar.herokuapp.com/bloggings/2825
Pre-Orders April 14
Release April 21
Previously
The Idoneth Deepkin video from GW