diff --git a/code/datums/ai/basic_mobs/basic_subtrees/prowl.dm b/code/datums/ai/basic_mobs/basic_subtrees/prowl.dm
index 24706ba16eb..e67c607da8b 100644
--- a/code/datums/ai/basic_mobs/basic_subtrees/prowl.dm
+++ b/code/datums/ai/basic_mobs/basic_subtrees/prowl.dm
@@ -26,3 +26,7 @@
 	hunt_targets = list(/turf/simulated/floor/plasteel)
 	hunt_range = 8
 	hunt_chance = 50
+
+/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland
+	hunt_targets = list(/turf/simulated/floor/plating/asteroid)
+	hunt_chance = 15
diff --git a/code/datums/ai/targeting_strategy/basic_targeting_strategy.dm b/code/datums/ai/targeting_strategy/basic_targeting_strategy.dm
index b867dd8b68a..ef80c889f4b 100644
--- a/code/datums/ai/targeting_strategy/basic_targeting_strategy.dm
+++ b/code/datums/ai/targeting_strategy/basic_targeting_strategy.dm
@@ -9,6 +9,8 @@
 	var/ignore_sight = FALSE
 	/// Blackboard key containing the minimum stat of a living mob to target
 	var/minimum_stat_key = BB_TARGET_MINIMUM_STAT
+	/// Blackboard key for the maximum aggro range of the mob
+	var/aggro_range_key = BB_AGGRO_RANGE
 	/// If this blackboard key is TRUE, makes us only target wounded mobs
 	var/target_wounded_key
 
@@ -36,6 +38,10 @@
 	if(vision_range && get_dist(living_mob, the_target) > vision_range)
 		return FALSE
 
+	var/aggro_range = our_controller.blackboard[aggro_range_key]
+	if(aggro_range && get_dist(living_mob, the_target) > aggro_range)
+		return FALSE
+
 	if(!ignore_sight && !can_see(living_mob, the_target, vision_range)) //Target has moved behind cover and we have lost line of sight to it
 		return FALSE
 
diff --git a/code/game/turfs/simulated/floor/chasm.dm b/code/game/turfs/simulated/floor/chasm.dm
index 08aa0869352..1e288e42677 100644
--- a/code/game/turfs/simulated/floor/chasm.dm
+++ b/code/game/turfs/simulated/floor/chasm.dm
@@ -181,7 +181,7 @@
 	falling_atoms -= AM
 
 /turf/simulated/floor/chasm/can_cross_safely(atom/movable/crossing)
-	return locate(/obj/structure/bridge_walkway) in src
+	return (locate(/obj/structure/bridge_walkway) in src) || HAS_TRAIT(crossing, TRAIT_FLYING)
 
 /turf/simulated/floor/chasm/straight_down
 	var/obj/effect/abstract/chasm_storage/storage
diff --git a/code/game/turfs/simulated/floor/lava.dm b/code/game/turfs/simulated/floor/lava.dm
index 889f95ae1df..1bb428f7f37 100644
--- a/code/game/turfs/simulated/floor/lava.dm
+++ b/code/game/turfs/simulated/floor/lava.dm
@@ -172,7 +172,10 @@
 	return
 
 /turf/simulated/floor/lava/can_cross_safely(atom/movable/crossing)
-	return locate(/obj/structure/bridge_walkway) in src
+	if(isliving(crossing))
+		var/mob/living/crosser = crossing
+		return (locate(/obj/structure/bridge_walkway) in src) || HAS_TRAIT(crossing, TRAIT_FLYING) || ("lava" in crosser.weather_immunities)
+	return locate(/obj/structure/bridge_walkway) in src || HAS_TRAIT(crossing, TRAIT_FLYING)
 
 /turf/simulated/floor/lava/lava_land_surface
 	oxygen = LAVALAND_OXYGEN
diff --git a/code/modules/mob/living/basic/basic_mob.dm b/code/modules/mob/living/basic/basic_mob.dm
index 3973cebeaf3..c9bb4c40c0d 100644
--- a/code/modules/mob/living/basic/basic_mob.dm
+++ b/code/modules/mob/living/basic/basic_mob.dm
@@ -288,6 +288,7 @@ RESTRICT_TYPE(/mob/living/basic)
 	. = ..()
 	if(!.)
 		return FALSE
+	REMOVE_TRAIT(src, TRAIT_FLYING, INNATE_TRAIT)
 	if(nest)
 		nest.spawned_mobs -= src
 		nest = null
diff --git a/code/modules/mob/living/basic/mining/basilisk_ai.dm b/code/modules/mob/living/basic/mining/basilisk_ai.dm
index fe2fb42e480..10316a95392 100644
--- a/code/modules/mob/living/basic/mining/basilisk_ai.dm
+++ b/code/modules/mob/living/basic/mining/basilisk_ai.dm
@@ -13,6 +13,7 @@
 		/datum/ai_planning_subtree/ranged_skirmish/watcher,
 		/datum/ai_planning_subtree/attack_obstacle_in_path,
 		/datum/ai_planning_subtree/basic_melee_attack_subtree,
+		/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland,
 	)
 
 /datum/ai_planning_subtree/ranged_skirmish/watcher
diff --git a/code/modules/mob/living/basic/mining/hivelord.dm b/code/modules/mob/living/basic/mining/hivelord.dm
index b5942c378da..834e0a564d2 100644
--- a/code/modules/mob/living/basic/mining/hivelord.dm
+++ b/code/modules/mob/living/basic/mining/hivelord.dm
@@ -54,7 +54,7 @@
 	mouse_opacity = MOUSE_OPACITY_OPAQUE
 	friendly_verb_continuous = "buzzes near"
 	friendly_verb_simple = "buzz near"
-	speed = 2
+	speed = -1 // Faster than a person
 	maxHealth = 1
 	health = 1
 	harm_intent_damage = 5
diff --git a/code/modules/mob/living/basic/mining/hivelord_ai.dm b/code/modules/mob/living/basic/mining/hivelord_ai.dm
index cdeff2f408f..735442e2259 100644
--- a/code/modules/mob/living/basic/mining/hivelord_ai.dm
+++ b/code/modules/mob/living/basic/mining/hivelord_ai.dm
@@ -13,6 +13,7 @@
 		/datum/ai_planning_subtree/simple_find_target,
 		/datum/ai_planning_subtree/summon_brood,
 		/datum/ai_planning_subtree/flee_target/legion,
+		/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland,
 	)
 
 /// With evil speech
@@ -22,6 +23,7 @@
 		/datum/ai_planning_subtree/simple_find_target,
 		/datum/ai_planning_subtree/summon_brood,
 		/datum/ai_planning_subtree/flee_target/legion,
+		/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland,
 	)
 
 /datum/ai_controller/basic_controller/hivelord/legion/advanced