Reworks lavaland tendrils into minibosses (#96186)

code/modules/mining/equipment/kinetic_crusher/kinetic_crusher.dm

@@ -218,7 +218,7 @@
 	var/backstabbed = FALSE
 	var/def_check = target.getarmor(type = BOMB)
 	// Backstab bonus
-	if(check_behind(user, target) || boosted_mark)
+	if(check_behind(user, target) && !HAS_TRAIT(target, TRAIT_BACKSTAB_IMMUNE) || boosted_mark)
 		backstabbed = TRUE
 		combined_damage += backstab_bonus
 		playsound(user, backstab_sound, 100, TRUE) //Seriously who spelled it wrong

code/modules/mining/equipment/monster_organs/rush_gland.dm

@@ -24,6 +24,7 @@
 /obj/item/organ/monster_core/rush_gland/on_mob_insert(mob/living/carbon/organ_owner)
 	. = ..()
 	RegisterSignal(organ_owner, COMSIG_GOLIATH_TENTACLED_GRABBED, PROC_REF(trigger_organ_action_on_sig))
+	RegisterSignal(organ_owner, COMSIG_TENDRIL_TENTACLED_GRABBED, PROC_REF(trigger_organ_action_on_sig))
 
 /obj/item/organ/monster_core/rush_gland/on_mob_remove(mob/living/carbon/organ_owner, special, movement_flags)
 	. = ..()

code/modules/mining/lavaland/mining_loot/megafauna/legion.dm

@@ -95,7 +95,7 @@
 	playsound(src, 'sound/effects/magic/lightningshock.ogg', 10, TRUE, extrarange = SILENCED_SOUND_EXTRARANGE, falloff_distance = 0)
 	targeted_turfs += target_turf
 	balloon_alert(user, "you aim at [target_turf]...")
-	new /obj/effect/temp_visual/telegraphing/thunderbolt(target_turf)
+	new /obj/effect/temp_visual/telegraphing/circle(target_turf)
 	addtimer(CALLBACK(src, PROC_REF(throw_thunderbolt), target_turf, power_boosted), 1.5 SECONDS)
 	thunder_charges--
 	addtimer(CALLBACK(src, PROC_REF(recharge)), thunder_charge_time)