The producers fired the first two directors after principal photography. Henry Crum was hired months later to re-edit, re-write and direct 45 pages of new material in seven days on location in the Crimea.
Most of the footage from Munkar's "orgy" is actually footage taken from the film Deathstalker (1983). This includes all sequences including the chained girl and the pig-faced warrior. It's most noticeable in some of the faraway shots where the throne is visible and it is clearly not Martin Kove sitting there.
On the first day of the tournament, Zigrid kills the hammer warrior. Yet, both at the end of the first day and at the beginning of the second day, the hammer warrior is standing among the other surviving champions.
When Wooby first appears, supposedly tied to a tree, as the bandits rough him up, his left hand comes out and he quickly puts it back, but it can be seen not to be tied at all.