I ran some tests fighting enemies in Pinwheel Funhouse with and without the Quickstart: Party chip. Here is what I found.
It took 2 seconds on average for enemies to attack the player without the chip.
It took 8 seconds on average for enemies to attack the player with the chip.
So it basically gives you an extra 6 seconds to attack the enemy before the battle goes back to normal.
_Technic_
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