Bel'Shazar, seeing an ally beside him, prepares to surround the guard. He hopes the Eladrin understands what he's doing.
Spoiler
Move action: Shift to O8
Standard action: Prepared action:
SpoilerImmediate reaction
Trigger: Echadar shifts to P9
Effect: I use Stalk and Strike, which allows me to shift to P7 (flanking the guard) and make the following attack, which includes combat advantage.
Spoiler: Includes rollsAttack vs. AC: (1d20+10)[13]
On hit: (1d12+4)[9] + (1d8)[8]
I hope that all makes sense.