Santiago and Tenebrous, please stop reading now. This contains spoilers.
(please scroll down past the spoilers, unless you're Santiago or Tenebrous)
Tenebrous, I said no!
And Santiago yes I deliberately made the title something you'd want to read, but couldn't 
In a game GM'd by Santiago, timetravel was introduced. And yes, those of you angrily throwing your rulebooks at the screen in protest should rest assured Tenebrous felt likewise. Ryce however saw an opportunity to exploit the situation.
Santiago wasn't quite as blatant in his abuse of the rules as I make it sound, he took the Criamon Path of.. something.. 'Seeming' maybe, which allows you to summon people from the past, threw in a botch, a final twilight, and an unfortunate series of events, which meant that a number of people got summoned from the past, and some from the future.
He had contacted us out of game a few months earlier and said "out of interest, who's your favourite historic character?" which is a leading question if ever I heard one. I (of course) chose Ryce. With the result that Ryce, along with several other actual historic people were summoned into the game by the botching Criamon. (One of the other people summoned was Jesus. That'll be relevant later).
The Ryce who got summoned was Ryce from 3 seasons in the future (We'll call him Ryce1). Which in effect means that Ryce1 lives through spring, summer & autumn 1095, then gets summoned back and relives spring & summer alongside himself (Ryce2) who is living those two seasons for the first time. At the end of summer, Ryce 1 returns to his own time (end of autumn).
So for spring & summer, there are 2 Ryces, one of whom has lived those 2 seasons before, but 1 of whom is living it for the first time, but (importantly) knows he's going to end up living it again.
So, Ryce1 spends his 2 seasons working with Ryce2 on an item of uber power, at the end of summer he hands it to Ryce2, and says "take this back in time with you, and hand it to the younger version of yourself you meet there (Ryce3)". Ryce 2 does that, spends the 2 seasons working with Ryce3 on the item, and gives him the same instructions for Ryce 4. Ryce 5, Ryce6, Ryce 7.. Ryce999,999, Ryce1,000,000.. and so on. This item has had millions of seasons of work gone into it, but it's only actually taken Ryce two seasons to make.
The drawback is of course that the item never comes out of the 2 season loop, so it might be the most powerful item in the world, but it always gets sent back in time, as Ryce after Ryce after Ryce go through the same decision making process. "Should I keep it? no, I'll pass it along".
Except that, every season the item gets more powerful, so it's a greater temptation for each Ryce to decide "I want to be the Ryce to benefit from this item, I'll not hand it on, I'll use it to conquer the world". So at some point, some Ryce with a high number will break the cycle, and emerge with the powerful item.
Which of course won't affect our game, other than in a St Trinnians days adventure (weird adventures generally occur during the festivities of Saint Trinnian), a travelling regio is likely to encompass our heroes, and plunge them into the alternate world where Ryce is uber. (I mean of course more uber). Until they find a way to escape, maybe defeating uber Ryce in the process.
So, here's (finally) what I wanted to ask.. if you had all those millions of seasons of work to go into an item (and vis isn't an issue as you're using vis, then going back in time to before you've used it, and using it again), what item would you make?
Ryces lab total will be a little over 100 for any combination of arts & techniques (Ryce has a high leadership score, a second Ryce to assist as well as a few dedicated lab monkeys). So any effect short of a ritual can be put into an item within 1 season.
He could either look at making one huge capacity device, or a huge load of one single season (I can't remember the proper term) items which don't need opening, and then wear them almost as a charm bracelet. Possibly do a combination of the two, some nice spells with huge penetration to take down any pesky wizards who don't like his world domination plans, as well as one item for every spell in the book, and any others he can think of.
I'm hoping for some imaginative/funny/flamboyant ideas. I know that for an actual player character, any GM out there would rule against this working, but this is for an npc badguy who's more of an illustration of where Ryce would go if he had the power, than of a serious attempt to maintain game balance.
I mentioned earlier that Jesus being one of the people summoned would be relevant later on. Here's where it's relevant. In the original timeline, we sent Jesus and all the other people back home after just one season, Ryce only stayed for longer because he had his plan, and refused to go home (I got punished with a huge amount of warping points for that!). And in every cycle of the two seasons since then, Jesus & co were sent home unharmed. Until, the cycle where temptation finally gets too much for Ryce. During that cycle, Ryce chops off Jesus's hand before sending him home. (in this timeline all imagery of Jesus shows will then show him as having only one hand, and I'm sure there'll be a parable about it). Ryce will then, using a demonic ritual he learned earlier in our actual game (where he has resisted the temptation to use it), replace his own hand with Jesus's. He does this on the basis that if owning a bone from a saint gives you some magic resistance, having Jesus's still living hand as your own will give far more magic resistance than he could ever hope to gain through parma alone. Which will always be handy when it comes to disbanding the Order of Hermes for their continued opposition to him being king of all the world.
Turns out Tenebrous might have been right, Santiago will end up regretting introducing timetravel to Ars, and to Ryce 
