Xaanthios
With a swift mental push, Xaanthios directs Avalon to dash up the stairs and attack the right-most of the creatures. At the same time, he focuses for a moment and conjures a curving wall of frigid cold that covers each of the existing enemies, battering them with freezing energy.
Spoiler: OoC
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AC moves to P51, attacks SFE1 (which is the Earth Elemental?)
(1d20+10)[14] to hit for (2d6+7)[16] Damage
(1d20+10)[24] to hit for (2d6+7)[11] Damage
Create Energy Wall (Cold) in a circle centered on the junction of O/P 49/50, energy facing outward.
Damage Rolls:
In wall: (2d6+7)[12] Cold Damage, Fort DC 19 (should be all, if not mostly all?)
Within 10': (2d6)[3] Cold Damage