Can corrupted items (gems) be upgraded with GCP or other quality-increasing currency?

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Can you increase quality on corrupted gem?

To increase your gem's quality above 20 you need to corrupt your gem. It needs to have 20% quality beforehand, so when you corrupt it you'll have a 16-20% chance to increase gem quality to 23% (from 20%). You can do this with a Vaal Orb.

What happens when you corrupt a gem?

If a gem has been corrupted, you will not be able to use crafting orbs to modify it any further, with the exception of items that modify sockets and socket links. In general, corrupted gems are better than their non-corrupted counterparts.

How do I improve gem quality Poe?

Shift click to unstack. A Gemcutter's Prism (often abbreviated GCP) is a currency item that can be used to improve the quality of a gem. Each Gemcutter's Prism will always raise the quality by 1%.

Are corrupted items better Poe?

Items that drop corrupted have a significantly higher rarity bonus for affixes, sockets, and links. Vaal skill gems are inherently corrupted, whether found in a Vaal Vessel or a Gemcutter's strongbox, or crafted using a Vaal Orb.

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[3.18] How I've been Increasing my Currency Returns using Alva Temples Behind the Scenes (UNCUT)

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