The Enigma chase in Diablo 4 Season 15 starts with a correction: Jah, Ith, and Ber do not make Enigma in this game. That recipe belongs to Diablo II. If you're sorting through Diablo 4 Items for a mobility upgrade, Jah is still worth your attention, but you need a Diablo 4 Rune pairing, not a three-Rune armor recipe. Getting that distinction right will save you a lot of farming for materials...