Hmm. The "and" came out wrong. I meant that when you decide to exhaust a pact to gain power, the sequence of operation is:
- exhaust pact
- lose sanity/stamina to get power
- draw and resolve the reckoning
- now use the power any way you want.
The key situation I'm addressing is a person exhausting a pact to gain power and then immediately using the power (as clues) to seal a gate. The reckoning happens before you can spend the power (to seal the gate). If you get a bad reckoning (say it drives you insane), then tough luck ... you don't get to seal the gate.