In order to get your Sparks of Awakening in Season 4, players will need to complete a weekly open world quest which seems to rotate from week to week!
Season 4 of Dragonflight includes a new Splintered Spark of Awakening and Spark of Awakening for crafting! In order to get this, it appears that players need to complete the weekly open world quest from the Dragon Isles Emissary, Therazal in Valdrakken.
This week on the PTR, it's the quest Last Hurrah: Emerald Dream. It appears that this quest will change from week to week between Amirdrassil, Zaralek Caverns and the Dragon Isles.
This quest requires players to obtain:
Here is the Zaralek Cavern quest, Last Hurrah: Zaralek Caverns and Time Rifts.
Here is the Dragon Isles quest, Last Hurrah: Dragon Isles.
The rewards for completing this quest are: