In Diablo 4 Season 8, using Spectral Ash to upgrade Boss Powers is key to improving your character strengths. How many ashes do you need, and how to farm that quickly? This article will introduce the best way to farm Spectral Ash and its uses.  

How to Use or Spend Spectral Ash in D4 Season 8?

Spectral Ash is a resource introduced in Diablo 4 Season 8, specifically used for leveling up the Boss Powers. Upgrading Boss Powers will enhance both the Main Power and Modifier Power effects. The higher the rank, the stronger the power. You can equip one main power and three modifier powers simultaneously.

Spectral Ash can be used to upgrade Boss Powers from rank 1 to 20. The upgrade costs increase progressively, doubling at ranks 3, 7, 12, and 17. Additionally, the costs vary depending on the rarity of the Boss Power. Magic Boss Powers require approximately 1,995 Spectral Ash, Rare Boss Powers need about 2,660 Spectral Ash, and Legendary Boss Powers demand roughly 3,325 Spectral Ash.

Spectral Ash Required to Upgrade Boss Powers

Best Way to Farm Spectral Ash in Diablo 4 Season 8

1. Apparition Incursions

Apparition Incursions are event-driven encounters where players face multiple bosses and elite monsters. During these events, players earn both Spectral Ash and reputation points.

How to Do It:

• Participate in incursions when they spawn

• Defeat elite monsters highlighted in green to gain reputation

• Defeat the three bosses for higher rewards

Rewards:

• Approximately 250 Spectral Ash per incursion

• Around 2,800 to 3,000 reputation points

Pros:

• Provides a substantial amount of reputation quickly

• Engaging gameplay with a mix of monster types and bosses

Cons:

• Time-consuming, with an average run taking 6-7 minutes

• Subject to spawn timers, leading to potential delays in progress

2. Boss Ladder Farming

This method involves repeatedly defeating specific bosses available through the boss ladder, which can be more efficient than waiting for incursions.

How to Do It:

• Gather the materials necessary to summon boss encounters

• Choose any boss from the ladder, such as Echo of Varshan

• Defeat the bosses rapidly for rewards

Rewards:

• Approximately 100 to 125 Spectral Ash per boss kill

• Around 1,650 reputation points per kill

Pros:

• Faster execution, taking about 1-1.5 minutes per boss

• No waiting for incursions to spawn, allowing continuous farming

Cons:

• Requires materials to summon bosses

• Less variety in encounters compared to incursions

While both methods yield Spectral Ash and reputation, boss ladder farming is generally more efficient for players who have the necessary materials. It allows for quicker runs and less downtime compared to incursions. However, if materials are lacking, Apparition Incursions serve as a good alternative for earning both resources while also providing a more varied gameplay experience.