Missy closed her eyes as well, opening herself mentally wide open to the Doctor. With two of them having been present at the same time and putting the timelines out of sync, the Master wouldn't have been able to retain the memories. But it didn't mean they weren't locked away someplace deep inside of their mind. What she wasn't expecting was that it would hurt so bloody much as the Doctor delved deeper and deeper.
She gritted her teeth and kept her forehead against his, ignoring the throbbing headache that was already starting.