Telegram messages seen by The Sun Online show how the extreme far-right Azov Battalion are carrying out military-style drills and pledging to fight to the death.
It comes as Ukraine sits on the brink of all-out war with Russia as 120,000 troops mass on the border and the world waits with bated breath.
Ukraine has numerous militia organisations that have sprung up since the country was first torn apart by war as Russia annexed Crimea in 2014.
But the most infamous is the extreme Azov Battalion, who openly parade with fascist symbols and practice shooting drills in the countryside.
Based on principles of ultra-nationalism, the group have said they will fight to the death if Putin invades.
The group have been carrying out war games preparing for a guerrilla-style war and preparing bomb shelters.
And in the past the group have jerry-rigged tanks and tractors to create “Mad-Max” style fighting vehicles dubbed the “Azovets”.
In 2019, New Republic reported on how the Azov Battalion had set up a far-right “Fight Club” where extremists engaged in MMA bouts to prepare for a “war” against non-white people.
Inside the Kyiv bar, an octagonal MMA arena was set up, where Denis Nikitin, one of eastern Europe’s leading fascists and hooligans, presided over the fights.
Nikitin urged his followers to train up for violence against Muslims and migrants and even posted a picture of Adolf Hitler on his birthday on his since-deleted Instagram account.
Andriy Biletsky, a far-right politician and head of the Azov Battalion’s political wing, the National Corps claims his country will fight to the death after being “left alone with the enemy”.