Diablo 4's endgame is all about ... each of the methods for obtaining Resplendent Sparks. The Echo of Lilith, or Uber Lilith, always drops a Resplendent Spark the first time you defeat her.

Yes, for Season 5 onwards in Diablo 4 the rarest and most covetable items ... Each of these activities below rewards 1 ...

there's a significantly impressive reward for reaching Rank 10 in the form of a scarce Resplendent Spark, so it's definitely worth investing time to try and get there before the Diablo 4 Goblin ...