diff --git a/code/modules/mining/lavaland/loot/hierophant_loot.dm b/code/modules/mining/lavaland/loot/hierophant_loot.dm
index a3f6e738380..fc81e6399ae 100644
--- a/code/modules/mining/lavaland/loot/hierophant_loot.dm
+++ b/code/modules/mining/lavaland/loot/hierophant_loot.dm
@@ -93,7 +93,7 @@
 	blast_range = initial(blast_range)
 	if(isliving(user))
 		var/mob/living/L = user
-		var/health_percent = L.health / L.maxHealth
+		var/health_percent = max(L.health / L.maxHealth, 0) // Don't go negative
 		chaser_cooldown += round(health_percent * 20) //two tenths of a second for each missing 10% of health
 		cooldown_time += round(health_percent * 10) //one tenth of a second for each missing 10% of health
 		chaser_speed = max(chaser_speed + health_percent, 0.5) //one tenth of a second faster for each missing 10% of health
diff --git a/code/modules/mob/living/simple_animal/hostile/megafauna/hierophant.dm b/code/modules/mob/living/simple_animal/hostile/megafauna/hierophant.dm
index 716f5436223..a4a3481d61b 100644
--- a/code/modules/mob/living/simple_animal/hostile/megafauna/hierophant.dm
+++ b/code/modules/mob/living/simple_animal/hostile/megafauna/hierophant.dm
@@ -452,6 +452,7 @@ Difficulty: Hard
 				else
 					burst_range = 3
 					INVOKE_ASYNC(src, .proc/burst, get_turf(src), 0.25) //melee attacks on living mobs cause it to release a fast burst if on cooldown
+				OpenFire()
 			else
 				devour(L)
 		else