Need to update description of mana regen per level Glyphs.
Essentially, the mana regen glyphs per level say that it gives 0.06 regen per level to 1.2 at level 18. With its current performance in game, the rune description should read .667 per 5/level (1.2@lv 18). In order to get 1.2 at level 18, you need 0.667 per level.
I tested this out with bard, and it looks like the mana regen per level glyphs give 0.667 instead of 0.06. Below are my results using a custom game with Bard, no masteries, and 9 mana regen glyphs.
At Level 1 If 0.06 per level should be 1.308~ per second If 0.0667 per level should be 1.3201~ per second Was 1.3
At level 2 If 0.06 per level should be 1.476~ per second If 0.0667 per level should be 1.5001~ per second Was 1.5
At level 3 If 0.06 per level should be 1.664~ per second If 0.0667 per level should be 1.7002~ per second Was 1.7
At level 4 If 0.06 per level should be 1.832~ per second If 0.0667 per level should be 1.8802~ per second Was 1.9
At level 9
If 0.06 per level should be 2.772~ per second
If 0.0667 per level should be 2.8805~ per second
Was 2.9