Thanks to Qwin, keelo, Hulk, JustRelax, Sleepy & McSic for the gem thread.
INGAME GEMS
GEM NAME TYPE LV. 1 LV. 2 LV. 3 LV. 4 LV. 5 LV. 6 EFFECT https://i.imgur.com/eMCvwzf.png DLY Gem Offensive - 0.4% - 0.8% - 1.0% - 1.5% - 2.0% - 3.0% Delay boost https://i.imgur.com/A0VC5iC.png DMG Gem Offensive + 0.4% + 0.6% + 0.8% + 1.5% + 2.0% + 3.0% Damage Increase https://i.imgur.com/uvZN987.png PRC Gem Offensive + 1.0% + 1.5% + 2.0% + 2.5% + 3.0% + 4.0% Piercing Damage https://i.imgur.com/a8y2nHc.png RLD Gem Offensive + 2.0% + 3.0% + 4.0% + 5.0% + 6.0% + 7.0% Reload reduction https://i.imgur.com/rZXH3VJ.png AP Gem Defensive + 1.0 + 1.5 + 2.0 + 2.5 + 3.0 + 4.0 AP boost https://i.imgur.com/sE0uVX9.png DMG Gem Defensive - 0.8% - 0.8% - 0.8% - 1.0% - 1.5% - 2.0% Reduce incoming damage https://i.imgur.com/GVuNoR7.png HP Gem Defensive + 1.0 + 1.5 + 2.0 + 2.5 + 3.0 + 4.0 HP Boost https://i.imgur.com/wsdtiAf.png MOV Gem Defensive + 0.5% + 1.0% + 1.5% + 2.0% + 2.5% + 3.0% Increase movement speed https://i.imgur.com/HQKumdi.png PRC Gem Defensive - 1.0% - 1.5% - 2.0% - 2.5% - 3.0% - 4.0% Incoming piercing defence
RARE DONATION GEMS
GEM NAME TYPE LV. 1 LV. 2 LV. 3 EFFECT https://i.imgur.com/eMCvwzf.png DLY Gem Offensive - 1.5% - 2.0% - 3.0% Delay boost https://i.imgur.com/A0VC5iC.png DMG Gem Offensive + 1.5% + 2.0% + 3.0% Damage Increase https://i.imgur.com/uvZN987.png PRC Gem Offensive + 2.5% + 3.0% + 4.0% Piercing Damage https://i.imgur.com/a8y2nHc.png RLD Gem Offensive + 5.0% + 6.0% + 7.0% Reload reduction https://i.imgur.com/rZXH3VJ.png AP Gem Defensive + 2.5 + 3.0 + 4.0 AP boost https://i.imgur.com/sE0uVX9.png DMG Gem Defensive - 1.0% - 1.5% - 2.0% Reduce incoming damage https://i.imgur.com/GVuNoR7.png HP Gem Defensive + 2.5 + 3.0 + 4.0 HP Boost https://i.imgur.com/wsdtiAf.png MOV Gem Defensive + 2.0% + 2.5% + 3.0% Increase movement speed https://i.imgur.com/HQKumdi.png PRC Gem Defensive - 2.5% - 3.0% - 4.0% Incoming piercing defence
EPIC DONATION GEMS
GEM NAME TYPE LV. 1 LV. 2 EFFECT https://i.imgur.com/eMCvwzf.png DLY Gem Offensive - 3.0% - 4.0% Delay boost https://i.imgur.com/A0VC5iC.png DMG Gem Offensive + 3.0% + 4.0% Damage Increase https://i.imgur.com/uvZN987.png PRC Gem Offensive + 4.0% + 5.0% Piercing Damage https://i.imgur.com/a8y2nHc.png RLD Gem Offensive + 6.0% + 7.0% Reload reduction https://i.imgur.com/rZXH3VJ.png AP Gem Defensive + 4.0 + X.X AP boost https://i.imgur.com/sE0uVX9.png DMG Gem Defensive - 2.0% - X.X% Reduce incoming damage https://i.imgur.com/GVuNoR7.png HP Gem Defensive + 4.0 + X.X HP Boost https://i.imgur.com/wsdtiAf.png MOV Gem Defensive + 3.0% + 4.0% Increase movement speed https://i.imgur.com/HQKumdi.png PRC Gem Defensive - 4.0% - 5.0% Incoming piercing defence