Gem Optimizer
Pick the affixes your build wants and we'll find the gems that grant them — ranked cheapest, strongest or best value — then suggest a gem set that covers every target in the fewest sockets, exploiting the two-in-one gems.
1. Choose your target affixes
2. Rank by
Gem level
Budget / gem
Recommended gem set
1 gem · 1/1 affixes7525 combat value
Every gem, by affix
The top gems that grant each affix you selected, ranked by cheapest — swap in an alternative if the recommended pick is out of stock.
Sky Piercer
Casting skills in the-air increases Physical Damage and Magic Damage. Upon reaching a certain level, aerial casting also reduces Skill Energy Cost.Skyshatter Amethyst Sky Piercer · Lv. 1 | 25 CV | 75 | 333.3/k |
Skyshatter Onyx Sky Piercer · Lv. 1 | 25 CV | 75 | 333.3/k |
Battle Spirit: Pierce Purple Rhomb Gem Valor + Sky Piercer · Lv. 2 | 50 CV | 150 | 333.3/k |
Battlewill·Skysunder Agate Valor + Sky Piercer · Lv. 2 | 50 CV | 150 | 333.3/k |
Brotherhood·Skysunder Agate Brotherhood + Sky Piercer · Lv. 2 | 50 CV | 150 | 333.3/k |
Combat value (CV) is the gem's power rating; prices are the auction house's recommended value and float with supply. The recommended set is a greedy cover — it favours gems that grant two of your targets at once, so it's the fewest sockets, not always the strictly cheapest total. Browse all gems on the Affix Gems page.