As you both get to your feet you realise that there must be some form of magic that teleported him above the platform.
Thomas looks around but he doesn't see anything to tie his rope to.
Rolls
Fall damage - (2d6)
(25) = 7
Fall damage - (2d6)
(25) = 7
All Seeing Perception ~.~ - (1d20+4)
(4) + 4 = 8
Perception - (1d20+3)
(8) + 3 = 11
Investigation Check(if needed) - (1d20+3)
(18) + 3 = 21
Perception Check(if needed) - (1d20+4)
(13) + 4 = 17
Arcana Check(if needed) - (1d20+1)
(6) + 1 = 7
Perception - (1d20+4)
(20) + 4 = 24
Investigation - (1d20+3)
(9) + 3 = 12
Arcana - (1d20+1)
(2) + 1 = 3