diff --git a/modular_ss220/detective_rework/code/sample_kits.dm b/modular_ss220/detective_rework/code/sample_kits.dm
index faab69249258..85a745597db4 100644
--- a/modular_ss220/detective_rework/code/sample_kits.dm
+++ b/modular_ss220/detective_rework/code/sample_kits.dm
@@ -86,7 +86,7 @@
 	name = ("[initial(name)] ([H])")
 	icon_state = "fingerprint1"
 
-/obj/item/sample/print/attack(mob/living/M, mob/user)
+/obj/item/sample/print/attack__legacy__attackchain(mob/living/M, mob/user)
 
 	if(!ishuman(M))
 		return ..()
diff --git a/modular_ss220/detective_rework/code/swabs.dm b/modular_ss220/detective_rework/code/swabs.dm
index 7159e9290b3d..a130dbe34de9 100644
--- a/modular_ss220/detective_rework/code/swabs.dm
+++ b/modular_ss220/detective_rework/code/swabs.dm
@@ -21,7 +21,7 @@
 /obj/item/forensics/swab/proc/is_used()
 	return used
 
-/obj/item/forensics/swab/attack(mob/living/M, mob/user)
+/obj/item/forensics/swab/attack__legacy__attackchain(mob/living/M, mob/user)
 	if(!ishuman(M))
 		return ..()
 	if(is_used())
diff --git a/modular_ss220/food_and_drinks/code/food/fancy_food.dm b/modular_ss220/food_and_drinks/code/food/fancy_food.dm
index a581d2390fd1..d92c77183827 100644
--- a/modular_ss220/food_and_drinks/code/food/fancy_food.dm
+++ b/modular_ss220/food_and_drinks/code/food/fancy_food.dm
@@ -17,7 +17,7 @@
 	if(opened)
 		icon_state = "[initial(icon_state)]_open"
 
-/obj/item/food/fancy/attack(mob/M, mob/user, def_zone)
+/obj/item/food/fancy/attack__legacy__attackchain(mob/M, mob/user, def_zone)
 	if(!opened)
 		to_chat(user, span_warning("[src] сначала нужно открыть!"))
 		return FALSE
diff --git a/modular_ss220/maps220/code/objects.dm b/modular_ss220/maps220/code/objects.dm
index d5636d90eaad..f729a7ece368 100644
--- a/modular_ss220/maps220/code/objects.dm
+++ b/modular_ss220/maps220/code/objects.dm
@@ -214,7 +214,7 @@
 	var/list/skeletons = list()
 	var/number = 2 // for ingame VV change
 
-/obj/item/emerald_stone/attack(mob/living/carbon/human/undead, mob/living/carbon/human/user)
+/obj/item/emerald_stone/attack__legacy__attackchain(mob/living/carbon/human/undead, mob/living/carbon/human/user)
 
 	if(!istype(undead))
 		return ..()
diff --git a/modular_ss220/mobs/code/mob_holder.dm b/modular_ss220/mobs/code/mob_holder.dm
index 11ceab3332a3..d9fbf24f3829 100644
--- a/modular_ss220/mobs/code/mob_holder.dm
+++ b/modular_ss220/mobs/code/mob_holder.dm
@@ -6,7 +6,7 @@
 	origin_tech = "biotech=2"
 	slot_flags = ITEM_SLOT_HEAD
 
-/obj/item/holder/attack(mob/living/target, mob/living/user, def_zone)
+/obj/item/holder/attack__legacy__attackchain(mob/living/target, mob/living/user, def_zone)
 	ASSERT(length(contents) > 0)
 	var/mob/living/simple_animal/animal = contents[1]
 	var/mob/living/carbon/devourer = target
diff --git a/modular_ss220/objects/code/weapons/melee/baseball_bat.dm b/modular_ss220/objects/code/weapons/melee/baseball_bat.dm
index a7c7fa824840..09f96305d243 100644
--- a/modular_ss220/objects/code/weapons/melee/baseball_bat.dm
+++ b/modular_ss220/objects/code/weapons/melee/baseball_bat.dm
@@ -71,7 +71,7 @@
 	playsound(loc, extend_sound, 50, TRUE)
 	add_fingerprint(user)
 
-/obj/item/melee/baseball_bat/homerun/central_command/attack(mob/living/target, mob/living/user)
+/obj/item/melee/baseball_bat/homerun/central_command/attack__legacy__attackchain(mob/living/target, mob/living/user)
 	if(on)
 		homerun_ready = TRUE
 	. = ..()
diff --git a/modular_ss220/objects/code/weapons/melee/vibroblade.dm b/modular_ss220/objects/code/weapons/melee/vibroblade.dm
index 4b1063f7af5e..37667a1006e8 100644
--- a/modular_ss220/objects/code/weapons/melee/vibroblade.dm
+++ b/modular_ss220/objects/code/weapons/melee/vibroblade.dm
@@ -94,7 +94,7 @@
 	. = ..()
 	force = initial(force) * get_damage_factor()
 
-/obj/item/melee/vibroblade/attack(mob/living/target, mob/living/user, def_zone)
+/obj/item/melee/vibroblade/attack__legacy__attackchain(mob/living/target, mob/living/user, def_zone)
 	var/obj/item/organ/external/selected_bodypart
 	if(user.zone_selected in cutoff_candidates)
 		selected_bodypart = target.get_organ(user.zone_selected)
diff --git a/modular_ss220/species/code/mob/living/carbon/human/eat/eat_items.dm b/modular_ss220/species/code/mob/living/carbon/human/eat/eat_items.dm
index d982576cc37e..7e4bfa77a8ec 100644
--- a/modular_ss220/species/code/mob/living/carbon/human/eat/eat_items.dm
+++ b/modular_ss220/species/code/mob/living/carbon/human/eat/eat_items.dm
@@ -15,7 +15,7 @@
 	var/material_string = item_string_material(user)
 	. = ..(user, "", material_string)
 
-/obj/item/attack(mob/living/target, mob/living/user, def_zone)
+/obj/item/attack__legacy__attackchain(mob/living/target, mob/living/user, def_zone)
 	if(check_item_eat(target, user))
 		try_item_eat(target, user)
 		return TRUE
diff --git a/modular_ss220/species/code/mob/surgery/organs/subtypes/nucleation_organs.dm b/modular_ss220/species/code/mob/surgery/organs/subtypes/nucleation_organs.dm
index 986a8c4bc28d..b6f0a764afb0 100644
--- a/modular_ss220/species/code/mob/surgery/organs/subtypes/nucleation_organs.dm
+++ b/modular_ss220/species/code/mob/surgery/organs/subtypes/nucleation_organs.dm
@@ -51,7 +51,7 @@
 	else
 		try_burn_hit(I, user)
 
-/obj/item/organ/internal/nucleation/attack(mob/living/carbon/M, mob/user)
+/obj/item/organ/internal/nucleation/attack__legacy__attackchain(mob/living/carbon/M, mob/user)
 	if(!try_burn_hit(affected_user = user, def_zone = user.zone_selected))
 		return ..()