Inwards
"That's our cue." Gengyo announced with satisfaction, sword in hand, as they watched the wall around the river crumble to the ground.
The others did not need to hear what he had said to understand it. They'd snuck across the moat, and stood ready and waiting for the wall to fall, and to their disbelief, it did. The rest of the ships did not even have dummies on them, nor even gunpowder. Mere decoys. They were more than ready for battle. Before the dust had even begun to clear, they began their charge, lead by he that dabbled in the impossible.
The earth was moist as they sprinted across it, covered in rubble and river water as the river overflowed, spurred on by the explosion. But they deftly avoided all the obstacles, and poured through at speed. They needed only the smallest opening to take advantage of it.
"They've bloody done it!" Morojo called out triumphantly, clenching his fist as he watched from a distance with Takeshi.