DM You're welcome to fluff that how you wish!
Rolls
Fire bolt - (1d20+5)
(3) + 5 = 8
Fire bolt damage - (1d10)
(10) = 10
Fire bolt - (1d20+5)
(3) + 5 = 8
Fire bolt damage - (1d10)
(10) = 10
Goblin A Attack / Damage - (1d20+4, 1d6+2)
1d20+4 : (10) + 4 = 14
1d6+2 : (2) + 2 = 4
Goblin C Attack / Damage - (1d20+4, 1d6+2)
1d20+4 : (4) + 4 = 8
1d6+2 : (3) + 2 = 5
Goblin D Attack / Damage - (1d20+4, 1d6+2)
1d20+4 : (16) + 4 = 20
1d6+2 : (4) + 2 = 6
Longsword - (1d20+5)
(5) + 5 = 10
Longsword damage - (1d8+5)
(7) + 5 = 12
Attack / Damage - (1d20+4, 1d6+2)
1d20+4 : (2) + 4 = 6
1d6+2 : (4) + 2 = 6
Greatsword - (1d20+4)
(14) + 4 = 18
Greatsword damage - (2d6+2)
(61) + 2 = 9
Fire bolt - (1d20+5)
(16) + 5 = 21
Fire bolt damage - (1d10)
(4) = 4
Goblin A Attack / Damage - (1d20+4, 1d6+2)
1d20+4 : (9) + 4 = 13
1d6+2 : (2) + 2 = 4
Goblin D Attack / Damage - (1d20+4, 1d6+2)
1d20+4 : (11) + 4 = 15
1d6+2 : (3) + 2 = 5