Tempe bows and turns into an eagle to assist in the patrol, taking short rests in between, flights.

He will sleep when needed

((Note attunement for the potion is only when creating it, after which it is usefull for 24 hours without attunement))

Pepin will patrol the grounds as they wait for the airstrike. Using his moments of to read up about the location he expects there to be another piece of the Orrery. Every morning he will create a potion of flying; in case the attack happens that day.

Zenodor will scout out/map the best places in the city from which he and any available archers could engage flying attackers. (Towers, temple roofs, etc)

However, he is also a little wary that their information might be wrong or that there could be more than one attack, so he talks to the generals once more to recommend that they keep the gates, walls, etc properly guarded with lookouts - just in case

With your help and aid a good and proper defense is set up for the city of Laurentiis. Watches are appointed and everyone gets a good nights rest. The next day at dawn an alarum is sounded and wyvern riders can be seen approaching from the West.

(If anyone has any last minute preparations now is the time... a round or two is possible before initiative but not like an hour or anything longer.)

Randall:

Sitting on his Flying Carpet as the battle starts, Randall stands and activates his Plate Armor of Safeguarding, giving everyone the benefit of Beacon of Hope.  Taking to the sky with whomever wishes to join him, Randall casts True Seeing on himself and readies his mace and shield for the upcoming battle.