Refer to the passage below and then answer the question afterwards in the same language as the passage:

Passage: SMS Prinzregent Luitpold was the fifth and final vessel of the Kaiser class of battleships of the Imperial German Navy. Prinzregent Luitpold's keel was laid in October 1910 at the Germaniawerft dockyard in Kiel. She was launched on 17 February 1912 and was commissioned into the navy on 19 August 1913. The ship was equipped with ten 30.5-centimeter (12.0 in) guns in five twin turrets, and had a top speed of 21.7 knots (40.2 km/h; 25.0 mph).

Question: Within the Kaiser class of battleships what was considered the final vessel?
SMS Prinzregent Luitpold