Regine will look around for the opening mechanism within the gatehouse. She'll also quietly move into it so she's no longer "out in the cold" >_>.

Silent Move: (1d100)[72] vs TN 98

Concealment: (1d100)[75] vs TN 98

Perception: (1d100)[43] vs TN 67

When she finds the locking mechanism she is going to 'pick' it and unlock it and pull the lever to open the gate: (1d100)[5] vs TN 98