Souleater Energy Drain AoO?

[DaemonArcher]

Almost self-explanatory from the title. I'm building a staff-magus focusing on trip attempts and while I'd assume the Energy Drain class skill doesn't count I haven't managed to procure any clear information if a Souleater can get off a drain as an attack from a trip attempt that provokes an AoO since Energy Drain is often directly applied after a successful attack or as a spell. In the Souleater's case it's a supernatural ability and the user makes a touch attack to deliver the ability. I'm guessing this wouldn't work but wanna make sure.

[Bob Bob Bob]

So this is the Souleater prestige class?

Energy Drain wrote:

At 2nd level, a souleater gains the energy drain ability. By making a touch attack as a standard action, she bestows one negative level on the target (two levels on a critical hit). The souleater gains 5 temporary hit points for each negative level she bestows on an opponent. These temporary hit points last for a maximum of 1 hour. The DC to remove this negative level is 10 + the souleater’s class level + her spellcaster ability modifier. At 6th level, this touch attack bestows two negative levels (four on a critical hit).

This explicitly requires you to spend a standard action to use it. No exceptions, you have to spend a standard action every time.

...unless you grab a Conductive weapon. Which is pretty brutal now that I look at it.

[DaemonArcher]

Oh, that looks exactly like what I need. Thanks for the input!

[zza ni]

just remmber that the conductive only proc once per round. and that some DM will say that since it proc you ability having a 2nd weapon with it won't give you a 2nd proc.(most gm though say that the weapon ability of eac hweapon only works once per round,so wielding 2 of them,not as a magus, wil lget you 2 proc).
also nice to think since the weapon proc the ability you can claim to use the weapon crit range.so a scimitar with conductive and keen will proc a critical drain (2 levels at 2nd levle 4 at 6th) on a roll of 15+ if the confermation hits.

and the wow factor of a magus with a scimitar and at least 6 levels in the soulaeter prc?
- he can use true strike and take enough panilty to make his concetration auto work.and still have a hugh to hit on the attakc with the spell combat to gain 2 soul points with which he can then use a standrd action to regain the true strike and do over again. i had one with 4 true strikes prepered used them in a raw that was -8 negtive levles to the enemy(-8 to attack saves etc :) after the battle id just recharge my spells with the soul points. was sweet.when ever i scored a critical id add a shoking grasp spell to later on recharge with the critical's extra points.