Caltrop Field

Alexander's legionaries were of course observing their opposing side's misfortune from their perched ramparts and pallisades with relished glee. 

The powerful initial charge that was meant to have shattered the defensive walls had unexpectedly lost all its steam even before it could begin, with the attacking men being now much more concerned about jumping and skipping in one leg in an attempt to try and lot step on these large, spiky traps than doing anything else.

And the chorus of short pained gasps and yelps that they let out each time they landed on these pointy metal thorns sounded like the sweetest music for the listening legionaries, many of whom laughed, joked, and even taunted the other side.

"Hahaha, go right! Go right! There are no traps there." 

"No! It is on the left! Turn left."

"Idiot, my left, not yours."

"Don't listen to these fools. Go back! There are certainly no traps from where you came from… hahaha."