Arcane abilities

Arcane secondary abilities affect the use of most aether skills.

Min. Tier	Type	Ability	Milestones
1	% Elemental dmg	Increase damage of fire,ice,earth and air-based skills	Arcanist Aetherist Solid Aethershaper
4	% conservation	Reduce aether costs of all skills to 1/(1+%) (i.e. 100% conservation reduces only by ½)	Calculating Tactician Masterful Watchman
Artefact	% lightning skills economy	Reduce costs of lightning skills to 1/(1+%) (i.e. 100% economy reduces only by ½)	none

Note that economy and conservation abilities apply in sequence (i.e. an aether cost of a lightning skill would be reduced to 1/(1+eco%)/(1+cons%) ).