Unless otherwise specified Hank will have the following Auras up while exploring the cave. They affect allies in a 90 120ft radius.
Lesser
Motivate Dexterity +8 morale bonus to checks
Motivate Wisdom +8 morale bonus to checks
Greater
Motivate Communication: Allies can communicate with each other, as though with telepathy. Allies gain a bonus equal to twice your aura bonus on saves against language-dependent effects and fear effects, and on Decipher Script and Forgery checks. Twice the bonus is +4.