Assassin can't do much except wait for the results of his friend's actions. In the mean time he checks for heat signatures.
Krusten starts to say, "We just want to speak with someone to get a Sistrum, one that can be taken back home with us, that's all."
Assassin waits with Krusten until Shifter has made communication. He uses his vision for any sudden movements.
The shifter goes back to the steps and quickly calls Assassin telling that he is in but will take a bit to get down stairs if they can keep the ones watching them occupied for a bit. After hanging up he will shift into form of snake and make his way towards the steps leading down hoping to get down the steps unseen. He will watch out for anything that will cause a lot of noise.
Krusten continues to wait. The most she can do is try to relay any feelings she is getting to Shifter when he rings in.