Gintoki and Takasugi reveal to each other what they've been doing over the past two years, and decide to go save the one thing they never managed to save in the past: their teacher.
Gates are spiritual points where energy from 
the ley lines gushes out to the surface.
البوّابات عبارة عن نقاط روحيّة تخرج
.منها طاقة خطوط لاي إلى السّطح
Las puertas son zonas espirituales
donde afloran las venas de Altana.
Cavidades do dragão são pontos espirituais de
erupções das veias do dragão na superfície.