Game concept
Rodrigo's Loyalty
From the game's encyclopedia
By remaining loyal to his liege even in exile, El Cid may regain their favor and restore his advantageous position.
By becoming disloyal, El Cid may gain special options to raise himself as an independent ruler.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Rodrigo's Loyalty is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "By remaining loyal to his liege even in exile, El Cid may regain their favor and restore his advantageous position." Patch 1.20.1.2, from game/common/game_concepts/07_ep3_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/07_ep3_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.