When dealing damage with your melee weapons, you increase your attack power by 100% of your Intellect, and your spell and healing damage by 30% of your total attack power for 10 sec.
To obtain the Mental Dexterity Rune in World of Warcraft, follow these steps:
1. Location: Travel to Tanaris and head east of Gadgetzan.
2. Farm Wastewander Mobs: Engage and defeat Wastewander mobs in the area. Specifically, you'll want to target Dark Mage Wastewanders and Wastewander Thieves.
3. Acquire Required Items:
- Encrypted Warlock Notes: This item drops from Dark Mage Wastewanders.
- Wastewanderer's Key: You can obtain this item from Wastewander Thieves.
4. Combine Items: Once you've collected both the Encrypted Warlock Notes and the Wastewanderer's Key, combine them to create Deciphered Warlock Notes.
5. Locate Cryptic Scroll of Summoning: Head to the coordinates /way 58.0 36.0. Look for a Cryptic Scroll of Summoning on the ground. Although it won't be directly interactable, you'll see its name when you mouse over it.
6. Summon the Elite: Stand on the Cryptic Scroll of Summoning and use the Deciphered Warlock Notes. This action will summon an Enraged Voidwalker, a level 43 Elite enemy.
7. Defeat and Loot: Engage and defeat the Enraged Voidwalker. Once defeated, loot the Mental Dexterity Rune from its remains.