There is a twitch promotion allowing you to get Purple Footprints EffectPurple Footprints EffectBoots Modifier
Stack Size: 20Adds purple footprints to a pair of boots.Right click this item then left click some boots to apply it., Purple Weapon EffectPurple Weapon EffectWeapon Effect
Stack Size: 20Adds a Purple effect to a weapon.Right click this item then left click a weapon to apply it. and Purple Portal EffectPurple Portal EffectPortal ModificationThis character's portals use a purple effect.Right click this to set or remove your Portal effect. if you have twitch prime.
Template talk:Navbox Support Gems
This is missing many of the new support gems and skills. (Siege Ballista and Poison being examples.)