Ports tgstation/-tg-station#8927.

And fixes a few other things.

code/modules/mob/living/carbon/human/life.dm

@@ -767,7 +767,7 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 					else						light_amount =  10
 			if(light_amount > species.light_dam) //if there's enough light, start dying
 				if(species.light_effect_amp)
-					adjustFireLoss(10)
+					adjustFireLoss(5) //This gets doubled by Shadowling's innate fire weakness, so it ends up being 10.
 				else
 					adjustFireLoss(1)
 					adjustBruteLoss(1)

code/modules/mob/living/login.dm

@@ -27,4 +27,7 @@
 			if("vampire")
 				if((ref in ticker.mode.thralls) || (mind in ticker.mode.enthralled))
 					ticker.mode.update_vampire_icons_added(mind)
+			if("shadowling")
+				if((src.mind in ticker.mode.shadowling_thralls) || (src.mind in ticker.mode.shadows))
+					ticker.mode.update_shadow_icons_added(src.mind)
 	return .