Skills/Mechanics.md

+MythicAchievements adds new mechanics to MythicMobs that can be used widely across the plugins that support MythicMobs skills.
+
+New Mechanics
+-------------
+
+| Mechanic                                                | Description                                  |
+|---------------------------------------------------------|----------------------------------------------|
+| [GrantAchievement](Skills/Mechanics/GrantAchievement)             | Grants a mythic achievement             |
+| [IncrementAchievement](Skills/Mechanics/IncrementAchievement)                   | Increment a criteria of an achievement
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