Wow!
Rolls
Nature - (1d20)
(3) = 3
Investigation - (1d20)
(2) = 2
Nature - (1d20)
(3) = 3
Investigation - (1d20)
(2) = 2
Perception check - (1d20+3)
(9) + 3 = 12
Perception - (1d20+2)
(2) + 2 = 4
Stealth - (1d20+4)
(19) + 4 = 23
Perception (disadvantage? beyond torch light - Darkvision) - (1d20+2, 1d20+2)
1d20+2 : (2) + 2 = 4
1d20+2 : (8) + 2 = 10
Perception [+1] - (1d20+1)
(14) + 1 = 15
Perception [Disadvantage] - (1d20+5, 1d20+5)
1d20+5 : (19) + 5 = 24
1d20+5 : (13) + 5 = 18
Initiative - (1d20+2)
(17) + 2 = 19
Initiative - (1d20)
(20) = 20
Initiative - (1d20+2)
(6) + 2 = 8
Perception - (1d20+2)
(6) + 2 = 8
Initiative - (1d20+1)
(2) + 1 = 3
Initiative - (1d20+2)
(19) + 2 = 21
Initiative - (1d20+1)
(5) + 1 = 6
Initiative [+2] - (1d20+2)
(17) + 2 = 19
Rats 1-2-3-4 (attack, damage) - (1d20+4, 1d20+4, 1d20+4, 1d20+4)
1d20+4 : (15) + 4 = 19
1d20+4 : (2) + 4 = 6
1d20+4 : (5) + 4 = 9
1d20+4 : (3) + 4 = 7
Attacks (Flurry of Blows for free unarmed) - (1d20+4, 1d20+4)
1d20+4 : (19) + 4 = 23
1d20+4 : (16) + 4 = 20
Damage (if hit) - (1d4+2, 1d4+2)
1d4+2 : (3) + 2 = 5
1d4+2 : (3) + 2 = 5