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Diablo 3 RoS: Legendary Gems Preview

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Since the Diablo 3 RoS Patch 2.1 PTR is now alive and well, a lot of players have been able to datamine the code for the changes that can be implemented.

One of the things Blizzard has mentioned in their updates for Diablo 3 RoS Patch 2.1 is the ability to upgrade your gems infinitely with additional affixes. They have mentioned that these changes aren?t implemented at the moment since they?re probably still determining the mechanics, but we at least have an idea.

According to the patch updates, this is Blizzard’s take on gems:

Legendary Gems are still undergoing significant iteration at this time, so you won’t see them available on the PTR right away. The gist is that these gems are infinitely upgradeable, and provide special Legendary powers when socketed into the appropriate gear slot. They can only be socketed into Rings and Amulets, and can be upgraded by completing additional Greater Rifts. The higher you place in a Greater Rift, the more likely your gem will be successfully upgraded. We’ll have more details in the future as we continue development on these powerful baubles, so stay tuned!


Datamined code and such have revealed that Legendary gems can have two affixes, one static that gets rolled when it?s dropped and an upgradeable stat. Take a look:

Gem of Damage after Elite Pack
Primary:?Gain 30% increased damage for 20 seconds after killing an elite pack.
Secondary:?Increases damage against elites by 20%.

Gem of Increased Damage Against CCed Enemies
Primary:?Increase damage against enemies under the effects of control-impairing effects by [VALUE]%.
Secondary:?Gain an aura that reduces the movement speed of enemies within 12 yards by [VALUE]%.

Gem of Steady Aim
Primary:?Damage you deal is increased by?[VALUE]%?for every 10 yards between you and the enemy hit.
Secondary:?[VALUE]%?chance on hit to Stun the enemy for 1 second.

Gem of Primary Skill Hit Harder
Primary:?Increase the damage of primary skills by?[VALUE]%.
Secondary:?Primary skills heal you for 2% of maximum health on hit.

Gem of Mini-Conduit
Primary:15% chance on hit to gain a mini-Conduit buff, dealing?[VALUE]%?weapon damage as Lightning every second to nearby enemies for 3 seconds.
Secondary:?While under the effect of the mini-Conduit, gain?[VALUE]%?increased movement speed.

Gem of Poison DoT Debuff
Primary:?Poison all enemies hit for [{VALUE1}*100]% weapon damage over 10 seconds.
Secondary:?All enemies you poison take [{VALUE1}*100]% increased damage from all sources.

Gem of Deep Wounds
Primary:?Critical hits cause the enemy to bleed for?[VALUE]%?weapon damage as Physical over 3 seconds.
Secondary:?Gain Blood Frenzy, granting you?[VALUE]%?increased Attack Speed for each bleeding enemy within 20 yards.

Gem of Holy Smite
Primary:?15% chance on hit to smite a nearby enemy for?[VALUE]%?weapon damage as Holy.
Secondary:?Periodically smite a nearby enemy.

Gem of Increased Attack Speed
Primary:?[VALUE]%?chance on hit to increase your Attack Speed by 2% for 3 seconds, stacking up to 10 times.
Secondary:?Also Gain?[VALUE]%?Cooldown Reduction per stack.

Gem of Damage Reduction while CCed
Primary:?While under any control-impairing effects, reduce all damage taken by?[VALUE]%.
Secondary:?Heal for?[VALUE]%?of maximum life when hit by control-impairing effect.

Gem of Pet Crit Chance
Primary:?Increase the Critical Hit Chance of your pets by?[VALUE]%.
Secondary:?Your pets are unkillable.

Gem of Stagger Damage
Primary:?50% of all damage taken is instead staggered and dealt to you over?[VALUE]?seconds.
Secondary:?[VALUE]%?chance on kill to clear all staggered damage.

Gem of Goldsplosion
Primary:?[VALUE]% chance on killing an enemy to cause an explosion of gold.
Secondary:?Gain [VALUE]% increased movement speed for 3 seconds after picking up gold.

Gem of Increased Damage after Spending Resource
Primary:?Gain 1% increased damage for 3 seconds after spending primary resource. This effect stacks up to [x] times. Gaining a stack refreshes all existing stacks.
Secondary:?Gain 1% increased Armor for every stack.

Gem of Reduced Level Requirement -?No datamined info for this particular gem.

That Gem of Increased Damage after Spending Resource looks pretty good to me. Also, unkillable pets are great for the DH!

These are all the data the fans and players have mined on the Diablo 3 RoS gems so far?stay tuned for more!

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