The Battlefield and The Armies

Seleukids
3 Generals Reg Kn(F), 1 Hetairoi Reg Kn(F), 1 Agema Reg Kn(F), 7 Katoikoi Reg Kn(F), 6 Tarantines Reg LH(O), 3 Skythians Irr LH(F), 3 Galatians Irr Cv(O), 3 Bedouin Irr Cm(O), 2 Elephants Irr El(O), 12 Argyraspides Reg Pk(S), 24 Katoikoi Reg Pk(O), 2 Thureophoroi Reg Ax(S), 3 Thracians Irr Ax(S), 4 Asiatics Irr Ps(O), 2 Kyrtii Irr Ps(O), 5 Levies Irr Hd(O).
Organised as follows:
C-in-C: 7 Reg Kn(F) including general, 3 Reg LH(O), 1 Irr LH(F), 3 Irr Cv(O), 3 Irr Cm(O), 4 Irr Hd(O); Sub-general: 1 Reg Kn(F) general, 12 Reg Pk(S), 24 Reg Pk(O), 4 Irr Ps(O), 1 Irr Hd(O); Sub-general: 4 Reg Kn(F) including general, 3 Reg LH(O), 2 Irr LH(F), 2 Irr El(O), 2 Reg Ax(S), 3 Irr Ax(S).
Bactrian Greeks
2 Greek Generals Reg Cv(S), 12 Iranian Lancers Irr Kn(F), 12 Bactrian Cavalry Irr LH(S), 4 Arachosians Irr LH(O), 16 Phalangites Reg Pk(O), 4 Hillmen Irr Ax(X), 8 Indian Archers Irr Bw(I), Saka Ally-general Irr Cv(O), 30 Saka Irr LH(F).
Organised as follows:
C-in-C: 1 Reg Cv(S) general, 12 Irr Kn(F), 12 Irr LH(S), 8 Irr Bw(I); Sub-general: 1 Reg Cv(S) general, 16 Reg Pk(O), 4 Irr Ax(X), 4 Irr LH(O); Ally: 1 Irr Cv(O) general, 30 Irr LH(F).
And now onto the Narrative.