When you gain a rank of this feat, choose a Martial Spell Technique that you know.
The net Mana Flux cost of any casting of that Technique is reduced by -1 charge, to a minimum of 0 charges.
You can gain a maximum number of ranks of this Upgrade equal to the ranks of the New Technique feat that you possess, applying it to a different Technique you know each time you gain a new rank of the Upgrade.
You can take a maximum of 2 Upgrades affecting the New Technique feat each Tier, instead of the normal maximum of 1.