Blizzard numbers items as they are created, so the named items next to ID 199078 (199072 to 199084) were usually added in the same batch as Drakebreaker's Shiv: the same quest line, zone, vendor or reward set.
Studies of Arcane MagicID 199074 · Miscellaneous · item level 60"This book details how to safely handle the wild magic within the Cobalt Assembly. Unlocks a fourth power..."