Knights
Concept · Stellaris 4.5.2
Knights in the Stellaris encyclopedia: Knights turn Alloys into Unity and Research Points, increase Naval Capacity and spawn Defense Armies.
Knights in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Knights turn Alloys into 
Unity and 
Research Points, increase 
Naval Capacity and spawn 
Defense Armies.
Completing Knightly Quests can further improve their output.
Trained for combat; well educated; virtuous. These knights represent the very best of our society, and they have dedicated their lives to the search for the Toxic God.
Entries that mention Knights
Source: common/game_concepts (concept_knight) and localisation/english, Stellaris Cygnus v4.5.2 (9776).