Merry Mann
High Elf Abjuration Wizard 11
AC: 18 | HP: 57/57 | Initiative: +3(A)
STR: +1 | DEX: +3 | CON: +1 | INT: +9 | WIS: +4 | CHA: -1
Spell Slots: 1st: 3/4 | 2nd: 2/3 | 3rd: 2/3 | 4th: 3/3 | 5th: 0/2 | 6th: 1/1
Spell DC: 20 Spell Atk: +12
Arcane Ward: 27/27hp
Active Effects: Death Ward, Blink (7/10 rounds), Mage Armor
Concentrating: Bigby's Clenched Fist
Immunities: Poison, Magical Sleep
Conditions: Frightened

Merry scoots away from Big Red, heading for the southeast corner. He has the hand try punching the dragonborn, and then he fires off a half-dozen rays of... well, fire.

Spoiler: OOC
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Blink allows me to reappear 10' from where I vanished from - so between that and a little extra move I'll end up in the lower-right corner.

I assume the hand also has disadvantage since it uses my spell attack stats. So it's the worse of (1d20+12)[21] or (1d20+12)[13] for (4d8)[18] force damage.

Scorching Ray at 5th level:
(1d20+12)[17] or (1d20+12)[24] for (2d6)[8] fire
(1d20+12)[26] or (1d20+12)[17] for (2d6)[4] fire
(1d20+12)[28] or (1d20+12)[25] for (2d6)[6] fire
(1d20+12)[30] or (1d20+12)[26] for (2d6)[7] fire
(1d20+12)[31] or (1d20+12)[18] for (2d6)[3] fire
(1d20+12)[17] or (1d20+12)[18] for (2d6)[7] fire

Blink roll (1d20)[7]