/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/ is in wesnoth-1.10-tsg 1:1.10.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/01_Born_to_the_Banner.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/02_Proven_by_the_Sword.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/03_A_Desparate_Errand.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/04_Vale_of_Tears.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/05_Choice_In_The_Fog.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/06a_Tidings_Good_and_Ill.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/06b_The_Long_March.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/07a_Into_the_Depths.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/07b_Pebbles_in_the_Flood.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/08a_Return_to_Kerlath.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/08b_The_Tides_of_War.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/09a_Vengeance.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/09b_Bandit_Epilogue.cfg
/usr/share/games/wesnoth/1.10/data/campaigns/The_South_Guard/scenarios/10a_Elf_Epilogue.cfg