QUOTE (Ramaloke @ Dec 14 2010, 03:02 PM)

This brings up a question I've been wondering, to what extent should your ally spirit be another character under your control. Aside from spending edge, it seems like everything would be fair game. Im a bit leery of this coming from D&D 3.5 where Leadership feats and Cohorts are so ubiquitous.
Ally spirits have hardwired loyalty coding and they have unlimited Services.
You CAN piss them off (forcing them to take drain for your spells is spelled out as doing that.)
At heart, they are NPCs, which means the gm has kind of a final say over how they work.
I would say it depends on the game: Who controls your regular summoned non-ally spirits?
The most interesting thing I've come up with recently for ally spirits is Initiations, actually. They are full Magicians. You can use rituals to transfer karma to spirits(1 hour per point), so it is entirely possible to Initiate your ally spirit, even if you are giving up a big chunk of karma to do it. Another possibility is having Initiatory Groups with your own spirits. It has some nice benefits aside from the Initiation discount - bringing your allies along on astral quests is pretty awesome, and frankly kind of makes sense that a mage would be able to get greater understanding of the astral by having help from the other side. Worth noting: there is a minimum # of members you need to take advantage of discounts(Sm 67), so you basically need multiple ally spirits to pull it off, and that much karma is basically not in the realm of player characters.
But it is useful. I've considered making Possession ally spirits that come WITH channeling, for example. The spirit is able to choose to give their host a bit more control. Its nice if you're playing a teambuffy mage, because you can make someone awesome without taking control away and making them an unfun-to-play-puppet.
The biggest abuse of this is with the optional rule for learning metamagic outside of initiation from a tutor. Spirits that know a metamagic technique can teach it to someone else just like a metahuman tutor can, with the specific exception that the karma is paid to the spirit directly in exchange for their services.
If you're allowed to do this, and able to find willing students for simple metamagics, and able to give up the initial investment of karma to initiate your ally(13), then it can help defray the costs for improving your ally spirits a LOT.(15 if you succeed at teaching.)