He blows into his hands cupping them as if he's holding some water. He then throws the hands wide and white streak disappears toward the charging trees.
[sblock=Actions]
Move: 30' to the left and 5' in front of the group
Attack:
Ice knife attack; piercing damage; cold damage; surge 1; surge 2: 1D20+6 = [19]+6 = 25
1D10 = [7] = 7
2D6 = [4, 5] = 9
1D20 = [17] = 17
1D20 = [20] = 20
- HIT; 7 piercing damage to left tree, 9 cold to both of them, no surges
I give up on this forums roller

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[sblock=Stats]
Init: +4
Senses: Darkvision (60 ft.)
Passive Perception: 14
DEFENSE
AC: 14 (+4 dex)
HP: 23
Vitality: 18
Saves: Constitution, Charisma
Special Defenses: Fey Ancestry: advantage on saving throws against being charmed, and magic can't put you to sleep.
Melee: Dagger +6 Attack, 1d4+4 Piercing
Ranged: Crossbow +6 Attack, 1d8+4 Piercing, 80/320 loading
Special Attacks: Spells 1st: 3/4 2nd: 2/2
Proficiencies: dagger, darts, slings, quarterstaff, light x-bow
ATTRIBUTES
Str 13 (+1), Dex 18 (+4) , Con 18 (+4), Int 14 (+2), Wis 14 (+2), Cha 18 (+4)
+2 half elf to charisma (16+2), +1 half elf to constitution and dexterity (17+1)
[/sblock]