Move on towards the shadow of that smoke which has three branches.
Go to a shade of three different densities
Depart into the shadow of three masses
Walk on to the shadow, having three branches
Leave/go/set out to shade of three branches/three off shoots
Go live under the cloud of three poisonous gases which forms its atmosphere
“Move towards the shadow of the smoke having three branches.”
`Aye, move on towards a three-pronged shadow
Proceed towards that shadow (of the smoke of Hell) that forks into three columns
`Move on to the shadow that has three branches
"Depart you to a shadow (of Hell-fire smoke ascending) in three columns