Tyr wrote:So 1 round to climb up there, and attack on the following round? Is there a separate check to hold on?
If you want to stay up there spend an advantage to maintain grip.
Xyll Vanth wrote:also, any rules about specifically targetting the weak areas with ranged attacks like Move? And rules about avoiding allies in that area?
With Move, unless you have the part that allows for fine tuned manipulation no aiming specific areas but avoiding allies would be advantage equal to Silhouette.