Complex sentence: When players mark an objective on their map, Faith's Runner Vision will be activated and some scenery items will be automatically highlighted in red to act as indicators to players whether a structure is climbable or not, and as guides to lead players towards their objective.
Split into simpler sentences: When players mark an objective on their map, Faith's "runner vision" is activated and some scenery items automatically highlight in red. These act as indicators to players whether a structure is climbable or not and as guides to lead players towards their objective.