Hello how do i get the sparks?

i get 1 from lord zir

can i get more?

Killing Uber lilith and completing the seasonal the last war chest gives ya one

Reach reputation rank 18 with the Iron Wolves in the Season of Loot Reborn and claim the 'Highest Honors of the Iron Wolves' reputation cache to get one spark
Defeat a Tormented Echo boss for the first time each season to get one spark
Defeat the Uber Lilith boss for the first time on Torment world tier to get one spark
Salvage any Uber Unique at the blacksmith to get one spark
literally took me 5 secs to type in how to get sparks d4 and to copy paste it