Attacks have a 15% chance to generate 10 charge for a random rune. Runes are considered charged when they have at least 100 charge and charge cannot exceed 200.
Level Bonus: +0.6% chance +0.4 charge generated
Mystical Runes
Each rune grants an associated buff when activated: Vex: +10% attack damage Tal: +10% attack speed Eth: +10% trigger chances Nef: +10% mana regeneration Ort: +5% item chance Lem: +0.1x crit damage Jah: +10% buff duration Qol: +5% crit chance
Level Bonus: +0.1% item/crit chance +0.2% other stats
Rune Activation
Generate 100 charge evenly divided amongst all runes and then attempt to activate up to 3 charged runes. Each activated rune grants its power to towers within 150 range for 5 seconds. The activated runes become depleted, requiring 100 charge before they can be activated again.
Runic Focus 
Mystical Runes 
Rune Activation