GotWK Campaign Part 6: Chugga Chugga Choo Choo!

This is an account of part 6 of my ongoing campaign set in my homebrewed wild west setting, Guns of the Western Kings.  Get caught up with the previous parts here.

Previously, on Guns of the Western Kings: The party was caught in a conflict between a mining company seeking to re-open the Sunbeam Silver Mine and a tribe of elves who  guarded the mountain and claimed that mining there would unleash a great evil on the world.  In the midst of this, they took a side-quest to investigate a mysterious ore coming out of a Dwarven settlement.  There they met a new party member, Theodore the adventurous businessman, but they also discovered what it was like to careen down a subterranean river on a broken-down paddle-boat.  They ended up in the desert far to the south, and worked their way northwards via an exciting and dangerous cattle drive.  As they approached the city of Templeton, where they intended to catch a train, they noticed they were being followed by a group of canine-headed humanoids who always stayed just outside of rifle range.

And now:

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After selling a load of accumulated goods in Templeton, including gnomish grave goods and a giant rattlesnake skin, the brave band of adventurers buys train tickets up to Fort Crawdon, hoping to finally get their plans back on track.  Heather especially was looking forward to it, since their adventures had taken her far away from the area where she was hoping to find her missing daughter.  It is a short train - two boxcars, two passenger cars, and a caboose.  Theodore's horse, Bucephalus, rides in one of the boxcars. Bjorn and Falco ride with the incapacitated Dawne and Ash in the frontmost boxcar, as the railroad wouldn't allow the tomb-cursed duo to sit in the passenger cars.  Heather, Theodore, Gudguníis, and Rusty take their seats in the passenger cars and the train chugs northward through the prairie.

Rusty was the first to notice a rider out the window - a lithe humanoid with the head of a coyote, armed to the teeth and riding with purpose.  He recognizes it as a wayaha, a race of roguish tricksters native to these lands.  Although the wayaha are a tribal people, they are quick to take up new ways of life, and many have been drawn to the way of the gun and become bandits and rustlers.  Gudguníis grabs his rifle and rushes to the back of the train, hoping to pick them off from the caboose, but as he passes into the second passenger car he sees the door to the caboose slide open and a coyote snout poke around it.  The wayaha bandit steps into the train car, brandishing a pistol, and calls out, "Your money or your life!" before Gudguníis blasts him with his rifle.  The coyote-man slumps back against a train bench, clutching his chest wound, fires off a shot at the half-elf rogue that misses by a foot, and collapses to the floor.  The door to the car slams back open and a burly, tough wayaha warrior, bristling with orangish fur, muscles his way in and blasts at Gudguníis with his shotgun.  Heather rushes into the car behind the half-elf and dives for cover behind a bench, calling out to the cowering civilians in the car to stay behind cover or flee to the next car.