diff --git a/code/game/objects/items/weapons/material/sledgehammer_construction_ch.dm b/code/game/objects/items/weapons/material/sledgehammer_construction_ch.dm
new file mode 100644
index 0000000000..4cae8981c8
--- /dev/null
+++ b/code/game/objects/items/weapons/material/sledgehammer_construction_ch.dm
@@ -0,0 +1,124 @@
+/obj/item/weapon/hammer_head
+	name = "hammer head"
+	desc = "A rectangular plasteel head. Feels very heavy in your hand.."
+	icon = 'icons/obj/hammer_construction_ch.dmi'
+	icon_state = "hammer_construction_1"
+	description_info = "You need rods, metal, a wrench and welding fuel to finish this up."
+
+	var/construction_stage = 1
+
+/obj/item/weapon/hammer_head/attackby(var/obj/item/thing, var/mob/user)
+
+	if(istype(thing, /obj/item/stack/rods) && construction_stage == 1)
+		var/obj/item/stack/rods = thing
+		if(rods.get_amount() < 4)
+			to_chat(user, "<span class='warning'>You need at least 4 rods for this task.</span>")
+			return
+		rods.use(4)
+		user.visible_message("<span class='notice'>\The [user] puts some rods together in \the [src] hole.</span>")
+		increment_construction_stage()
+		return
+
+	if(istype(thing, /obj/item/weapon/weldingtool) && construction_stage == 2)
+		var/obj/item/weapon/weldingtool/welder = thing
+		if(!welder.isOn())
+			to_chat(user, "<span class='warning'>Turn it on first!</span>")
+			return
+
+		if(!welder.remove_fuel(0,user))
+			to_chat(user, "<span class='warning'>You need more fuel!</span>")
+			return
+
+		user.visible_message("<span class='notice'>\The [user] weld the rods to the head \the [src] together with \the [thing].</span>")
+		playsound(src.loc, 'sound/items/Welder2.ogg', 100, 1)
+		spawn(5)
+		increment_construction_stage()
+		return
+
+	if(istype(thing, /obj/item/stack/rods) && construction_stage == 3)
+		var/obj/item/stack/rods = thing
+		if(rods.get_amount() < 4)
+			to_chat(user, "<span class='warning'>You need at least 4 rods for this task.</span>")
+			return
+		rods.use(4)
+		user.visible_message("<span class='notice'>\The [user] jams \the [thing]'s into \the [src].</span>")
+		increment_construction_stage()
+		return
+
+	if(istype(thing, /obj/item/weapon/weldingtool) && construction_stage == 4)
+		var/obj/item/weapon/weldingtool/welder = thing
+
+		if(!welder.isOn())
+			to_chat(user, "<span class='warning'>Turn it on first!</span>")
+			return
+
+		if(!welder.remove_fuel(0,user))
+			to_chat(user, "<span class='warning'>You need more fuel!</span>")
+			return
+
+		user.visible_message("<span class='notice'>\The [user] welds the rods together of the handle into place, forming a long irregular shaft.</span>")
+		playsound(src.loc, 'sound/items/Welder2.ogg', 100, 1)
+
+		increment_construction_stage()
+		return
+
+	if(istype(thing, /obj/item/stack/material) && construction_stage == 5)
+		var/obj/item/stack/material/reinforcing = thing
+		var/material/reinforcing_with = reinforcing.get_material()
+		if(reinforcing_with.name == DEFAULT_WALL_MATERIAL) // Steel
+			if(reinforcing.get_amount() < 3)
+				to_chat(user, "<span class='warning'>You need at least 3 [reinforcing.singular_name]\s for this task.</span>")
+				return
+			reinforcing.use(3)
+			user.visible_message("<span class='notice'>\The [user] shapes some metal sheets around the rods.</span>")
+			increment_construction_stage()
+			return
+
+	if(istype(thing, /obj/item/weapon/weldingtool) && construction_stage == 6)
+		var/obj/item/weapon/weldingtool/welder = thing
+		if(!welder.isOn())
+			to_chat(user, "<span class='warning'>Turn it on first!</span>")
+			return
+		if(!welder.remove_fuel(10,user))
+			to_chat(user, "<span class='warning'>You need more fuel!</span>")
+			return
+		user.visible_message("<span class='notice'>\The [user] heats up the metal sheets until it glows red.</span>")
+		playsound(src.loc, 'sound/items/Welder2.ogg', 100, 1)
+		increment_construction_stage()
+		return
+
+
+	if(istype(thing, /obj/item/weapon/tool/wrench) && construction_stage == 7)
+		user.visible_message("<span class='notice'>\The [user] whacks at \the [src] like a caveman, shaping the metal with \the [thing] into a rough handle, finishing it off.</span>")
+		increment_construction_stage()
+		playsound(src.loc, 'sound/weapons/smash5.ogg', 100, 1)
+		var/obj/item/weapon/material/twohanded/sledgehammer/sledge = new(loc)
+		var/put_in_hands
+		var/mob/M = src.loc
+		if(istype(M))
+			put_in_hands = M == user
+			M.drop_from_inventory(src)
+		if(put_in_hands)
+			user.put_in_hands(sledge)
+		qdel(src)
+		return
+
+
+	return ..()
+
+/obj/item/weapon/hammer_head/proc/increment_construction_stage()
+	if(construction_stage < 7)
+		construction_stage++
+	icon_state = "hammer_construction_[construction_stage]"
+
+/obj/item/weapon/hammer_head/examine(var/mob/user)
+	. = ..(user,2)
+	if(.)
+		switch(construction_stage)
+			if(2) to_chat(user, "<span class='notice'>It has a bunch of rods sticking out of the hole.</span>")
+			if(3) to_chat(user, "<span class='notice'>It has a short rough metal shaft sticking to it, quite short.</span>")
+			if(4) to_chat(user, "<span class='notice'>It has a bunch of rods jammed into the shaft/</span>")
+			if(4) to_chat(user, "<span class='notice'>It has a pretty long rough metal shaft sticking out of it, it look hard to grab.</span>")
+			if(5) to_chat(user, "<span class='notice'>It has a few sheets bent in half across the handle.</span>")
+			if(6) to_chat(user, "<span class='notice'>It has red hot, pliable looking metal sheets spread over the handle. What a sloppy job.</span>")
+			if(7) to_chat(user, "<span class='notice'>It has a roughly shaped metal handle.</span>")
diff --git a/code/game/objects/items/weapons/material/twohanded_ch.dm b/code/game/objects/items/weapons/material/twohanded_ch.dm
new file mode 100644
index 0000000000..9cd8ed4d0c
--- /dev/null
+++ b/code/game/objects/items/weapons/material/twohanded_ch.dm
@@ -0,0 +1,100 @@
+
+/*
+*
+*Sledgehammer
+*Mjollnir
+*
+*/
+
+/obj/item/weapon/material/twohanded/sledgehammer  // a SLEGDGEHAMMER
+	icon_state = "sledgehammer0"
+	base_icon = "sledgehammer"
+	name = "sledgehammer"
+	desc = "A long, heavy hammer meant to be used with both hands. Typically used for breaking rocks and driving posts, it can also be used for breaking bones or driving points home."
+	description_info = "This weapon can cleave, striking nearby lesser, hostile enemies close to the primary target.  It must be held in both hands to do this."
+	unwielded_force_divisor = 0.25
+	force = 25
+	force_divisor = 0.9 // 10/42 with hardness 60 (steel) and 0.25 unwielded divisor
+	hitsound = 'sound/weapons/heavysmash.ogg'
+	icon = 'icons/obj/hammer_sprites_ch.dmi'
+	w_class = ITEMSIZE_HUGE
+	slowdown = 1.5
+	dulled_divisor = 0.95	//Still metal on a stick
+	sharp = 0
+	edge = 0
+	force_wielded = 23 //A fair bit less than the fireaxe.
+	attack_verb = list("attacked", "smashed", "crushed", "wacked", "pounded")
+	applies_material_colour = 0
+
+	item_icons = list(
+		slot_l_hand_str = 'icons/mob/items/lefthand_material_ch.dmi',
+		slot_r_hand_str = 'icons/mob/items/righthand_material_ch.dmi',
+		)
+
+/obj/item/weapon/material/twohanded/sledgehammer/update_held_icon()
+	var/mob/living/M = loc
+	if(istype(M) && !issmall(M) && M.item_is_in_hands(src) && !M.hands_are_full())
+		wielded = 1
+		pry = 1
+		force = force_wielded
+		name = "[base_name] (wielded)"
+		update_icon()
+	else
+		wielded = 0
+		pry = 0
+		force = force_unwielded
+		name = "[base_name]"
+	update_icon()
+	..()
+
+/obj/item/weapon/material/twohanded/sledgehammer/afterattack(atom/A as mob|obj|turf|area, mob/user as mob, proximity)
+	if(!proximity) return
+	..()
+	if(A && wielded)
+		if(istype(A,/obj/structure/window))
+			var/obj/structure/window/W = A
+			W.shatter()
+		else if(istype(A,/obj/structure/grille))
+			qdel(A)
+		else if(istype(A,/obj/effect/plant))
+			var/obj/effect/plant/P = A
+			P.die_off()
+
+// This cannot go into afterattack since some mobs delete themselves upon dying.
+/obj/item/weapon/material/twohanded/sledgehammer/pre_attack(var/mob/living/target, var/mob/living/user)
+	if(istype(target))
+		cleave(user, target)
+
+/obj/item/weapon/material/twohanded/sledgehammer/mjollnir
+	icon_state = "mjollnir0"
+	base_icon = "mjollnir"
+	name = "Mjollnir"
+	desc = "A long, heavy hammer. This weapons crackles with barely contained energy."
+	force_divisor = 2
+	hitsound = 'sound/effects/lightningbolt.ogg'
+	force = 50
+	throwforce = 15
+	force_wielded = 75
+	slowdown = 0
+
+/obj/item/weapon/material/twohanded/sledgehammer/mjollnir/afterattack(mob/living/G, mob/user)
+	..()
+
+	if(wielded)
+		if(prob(10))
+			G.electrocute_act(500, src, def_zone = BP_TORSO)
+			return
+		if(prob(10))
+			G.dust()
+			return
+		else
+			G.stun_effect_act(10 , 50,def_zone = BP_TORSO, src)
+			G.take_organ_damage(10)
+			G.Paralyse(20)
+			playsound(src.loc, "sparks", 50, 1)
+			return
+
+/obj/item/weapon/material/twohanded/sledgehammer/mjollnir/update_icon()  //Currently only here to fuck with the on-mob icons.
+	icon_state = "mjollnir[wielded]"
+	return
+
diff --git a/code/modules/materials/material_recipes_ch.dm b/code/modules/materials/material_recipes_ch.dm
new file mode 100644
index 0000000000..a1d34d67be
--- /dev/null
+++ b/code/modules/materials/material_recipes_ch.dm
@@ -0,0 +1,3 @@
+/material/plasteel/generate_recipes() 
+	. = ..()
+	recipes += new/datum/stack_recipe("Hammer Head", /obj/item/weapon/hammer_head, 2)
diff --git a/icons/mob/items/lefthand_material_ch.dmi b/icons/mob/items/lefthand_material_ch.dmi
new file mode 100644
index 0000000000..0dc4ee6e8f
Binary files /dev/null and b/icons/mob/items/lefthand_material_ch.dmi differ
diff --git a/icons/mob/items/righthand_material_ch.dmi b/icons/mob/items/righthand_material_ch.dmi
new file mode 100644
index 0000000000..be41665bee
Binary files /dev/null and b/icons/mob/items/righthand_material_ch.dmi differ
diff --git a/icons/obj/hammer_construction_ch.dmi b/icons/obj/hammer_construction_ch.dmi
new file mode 100644
index 0000000000..d777c33678
Binary files /dev/null and b/icons/obj/hammer_construction_ch.dmi differ
diff --git a/icons/obj/hammer_sprites_ch.dmi b/icons/obj/hammer_sprites_ch.dmi
new file mode 100644
index 0000000000..ea7dc26a66
Binary files /dev/null and b/icons/obj/hammer_sprites_ch.dmi differ
diff --git a/sound/weapons/smash5.ogg b/sound/weapons/smash5.ogg
new file mode 100644
index 0000000000..aa56170bb4
Binary files /dev/null and b/sound/weapons/smash5.ogg differ
diff --git a/vorestation.dme b/vorestation.dme
index 0090be550b..a663b93f5f 100644
--- a/vorestation.dme
+++ b/vorestation.dme
@@ -1245,9 +1245,11 @@
 #include "code\game\objects\items\weapons\material\material_weapons.dm"
 #include "code\game\objects\items\weapons\material\misc.dm"
 #include "code\game\objects\items\weapons\material\shards.dm"
+#include "code\game\objects\items\weapons\material\sledgehammer_construction_ch.dm"
 #include "code\game\objects\items\weapons\material\swords.dm"
 #include "code\game\objects\items\weapons\material\thrown.dm"
 #include "code\game\objects\items\weapons\material\twohanded.dm"
+#include "code\game\objects\items\weapons\material\twohanded_ch.dm"
 #include "code\game\objects\items\weapons\material\whetstone.dm"
 #include "code\game\objects\items\weapons\melee\deflect.dm"
 #include "code\game\objects\items\weapons\melee\energy.dm"
@@ -2194,6 +2196,7 @@
 #include "code\modules\maps\tg\reader.dm"
 #include "code\modules\materials\fifty_spawner_mats.dm"
 #include "code\modules\materials\material_recipes.dm"
+#include "code\modules\materials\material_recipes_ch.dm"
 #include "code\modules\materials\material_recipes_vr.dm"
 #include "code\modules\materials\material_sheets.dm"
 #include "code\modules\materials\material_synth.dm"