With a hiss of disgust at the sight of those snow-hidden undead arise and shamble threateningly at her and the rest of her companions, Caelyn hustled out of the direct line of attack of any of the bone-dead skellies before aiming a spell with her Conductor's Wand in hand, specifically casting a Faerie Fire Spell at at the far edge of the undeads so none of her teammates would be afflicted by the spell as well.

Spoiler: Rolls and actions and stuff
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Move Action: Move to G-4 so between Rucon and Theren, to be in a much more secure location.
Combat Action: Cast Faerie Fire at M-5 (casting range up to 60 ft), with an affecting range of 20ft, hitting the M-4 Tree, K-3 Skeleton, M-7 Skeleton, I-6 Skeleton (next to robin) and I-4 skeleton (next to Theren) and any other potential not-visible targets within the spell's effect-range.
An Icy-blue light outlines all objects, creatures, etc. a Dexterity Save is needed to be done to dodge the spell's effect. All affected objects, creatures, etc. illuminates with a 10-ft radius of light and cannot turn invisible. All attacks against affected creatures, objects, etc. are done so with advantage. Effect lasts for 1 minutes.

Attack Roll: Dex Save needed, Save DC = 13.

Damage Roll: No Damage

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HP: 8/15
AC: 14