Frontal Assault(s)

I noticed that Frontal Assault is neither unique, nor does it say you can only have one in play at a time.

So...can you have more than one in play at a time?
I understand you wouldn't be able to double rush the same minion
Would you gain a pool for each Frontal Assault in play or does only one count?

So, something like a Parthenon and Anson might allow for 3 Frontal Assaults at once. Is there some standing "a Methuselah may only gain 1 pool per minion" rule I don't know about?

Frontal Assault

Master.
Put this card in play. Each ready minion you control may enter combat with any minion controlled by your prey as a action. You gain 1 pool each time a ready minion controlled by your prey is burned or sent to torpor. During your influence phase, burn this card and burn 1 pool for each ready minion controlled by your prey.

Actually, you might be able to get three rushes on the same minion because each Frontal Assault provides an "enter combat action". So I'd want Pascal to confirm that multiple Frontal Assaults do/do not provide a rush on a minion from each Frontal Assault (Just as you can rush multiple minions with a different Haven Uncovered on each).

Assuming that each copy of Frontal Assault is treated separately, then 2x Frontal Assault = 2 pool for each torpor/burned minion of your prey. n x Frontal Assault = n pool for each torpor/burned minion of your prey and - n pool for each ready minion.

What exactly happens if you both put them in torpor AND burn them?

Can't torpor and burn a ready minion. You get to do one or the other. If they never reach torpor then they were burned not torpored.

If you have n Front Assault in play, each of your minions can take n actions to enter combat with your preys' minions. You can rush either the same minion or another one as you wish.

Each time you burn/send to torpor one of your prey's minion, you gain n pools. And during your influence phase, you burn n pool for each ready minion.