diff --git a/common/src/bin/csv_export/main.rs b/common/src/bin/csv_export/main.rs
index 79b2bfee2a..8ec6daf421 100644
--- a/common/src/bin/csv_export/main.rs
+++ b/common/src/bin/csv_export/main.rs
@@ -13,7 +13,7 @@ use veloren_common::{
         self,
         item::{
             armor::{ArmorKind, Protection},
-            tool::{Hands, HandsKind, MaterialStatManifest, Tool, ToolKind},
+            tool::{Hands, Tool, ToolKind},
             Item, ItemKind,
         },
     },
@@ -49,7 +49,7 @@ fn armor_stats() -> Result<(), Box<dyn Error>> {
     for item in comp::item::Item::new_from_asset_glob("common.items.armor.*")
         .expect("Failed to iterate over item folders!")
     {
-        match item.kind() {
+        match &*item.kind() {
             comp::item::ItemKind::Armor(armor) => {
                 let kind = get_armor_kind(&armor.kind);
                 if kind == "Bag" {
@@ -72,7 +72,7 @@ fn armor_stats() -> Result<(), Box<dyn Error>> {
                 let stealth = armor.stealth().unwrap_or(0.0).to_string();
 
                 wtr.write_record(&[
-                    item.item_definition_id(),
+                    item.item_definition_id().raw().expect("All items from asset glob should be simple items"),
                     &kind,
                     &item.name(),
                     &format!("{:?}", item.quality()),
@@ -112,28 +112,26 @@ fn weapon_stats() -> Result<(), Box<dyn Error>> {
         "Description",
     ])?;
 
-    let msm = MaterialStatManifest::default();
-
     // Does all items even outside weapon folder since we check if itemkind was a
     // tool anyways
     let items: Vec<comp::Item> = comp::Item::new_from_asset_glob("common.items.*")
         .expect("Failed to iterate over item folders!");
 
     for item in items.iter() {
-        if let comp::item::ItemKind::Tool(tool) = item.kind() {
-            let power = tool.base_power(&msm, &[]).to_string();
-            let effect_power = tool.base_effect_power(&msm, &[]).to_string();
-            let speed = tool.base_speed(&msm, &[]).to_string();
-            let crit_chance = tool.base_crit_chance(&msm, &[]).to_string();
-            let range = tool.base_range(&msm, &[]).to_string();
-            let energy_efficiency = tool.base_energy_efficiency(&msm, &[]).to_string();
-            let buff_strength = tool.base_buff_strength(&msm, &[]).to_string();
-            let equip_time = tool.equip_time(&msm, &[]).as_secs_f32().to_string();
+        if let comp::item::ItemKind::Tool(tool) = &*item.kind() {
+            let power = tool.base_power().to_string();
+            let effect_power = tool.base_effect_power().to_string();
+            let speed = tool.base_speed().to_string();
+            let crit_chance = tool.base_crit_chance().to_string();
+            let range = tool.base_range().to_string();
+            let energy_efficiency = tool.base_energy_efficiency().to_string();
+            let buff_strength = tool.base_buff_strength().to_string();
+            let equip_time = tool.equip_time().as_secs_f32().to_string();
             let kind = get_tool_kind(&tool.kind);
             let hands = get_tool_hands(tool);
 
             wtr.write_record(&[
-                item.item_definition_id(),
+                item.item_definition_id().raw().expect("All items from asset glob should be simple items"),
                 &kind,
                 &item.name(),
                 &hands,
@@ -223,13 +221,13 @@ fn all_items() -> Result<(), Box<dyn Error>> {
     for item in comp::item::Item::new_from_asset_glob("common.items.*")
         .expect("Failed to iterate over item folders!")
     {
-        let kind = match item.kind() {
+        let kind = match &*item.kind() {
             ItemKind::Armor(armor) => get_armor_kind_kind(&armor.kind),
             ItemKind::Lantern(lantern) => lantern.kind.clone(),
             _ => "".to_owned(),
         };
 
-        wtr.write_record(&[item.item_definition_id(), &item.name(), &kind])?;
+        wtr.write_record(&[item.item_definition_id().raw().expect("All items in asset glob should be simple items"), &item.name(), &kind])?;
     }
 
     wtr.flush()?;
@@ -395,6 +393,10 @@ fn entity_drops(entity_config: &str) -> Result<(), Box<dyn Error>> {
                     // Tab needed so excel doesn't think it is a date...
                     (Some(item), format!("{}-{}\t", lower, upper))
                 },
+                LootSpec::ModularWeapon { .. } => {
+                    // TODO: Figure out how modular weapons should work here
+                    (None, String::from("1"))
+                },
                 LootSpec::LootTable(_) => panic!("Shouldn't exist"),
                 LootSpec::Nothing => (None, "-".to_string()),
             };
@@ -402,9 +404,9 @@ fn entity_drops(entity_config: &str) -> Result<(), Box<dyn Error>> {
             let item = item_asset.map(|asset| Item::new_from_asset_expect(asset));
 
             let item_name = if let Some(item) = &item {
-                item.name()
+                item.name().into_owned()
             } else {
-                "Nothing"
+                String::from("Nothing")
             };
 
             wtr.write_record(&[
diff --git a/common/src/bin/csv_import/main.rs b/common/src/bin/csv_import/main.rs
index 447c8fdc71..2d5ab8ba03 100644
--- a/common/src/bin/csv_import/main.rs
+++ b/common/src/bin/csv_import/main.rs
@@ -14,7 +14,7 @@ use veloren_common::{
         item::{
             armor::{ArmorKind, Protection},
             tool::{AbilitySpec, Hands, Stats, ToolKind},
-            ItemDesc, ItemKind, ItemTag, Material, Quality,
+            ItemKind, ItemTag, Material, Quality, ItemDefinitionId,
         },
     },
     lottery::LootSpec,
@@ -71,7 +71,7 @@ fn armor_stats() -> Result<(), Box<dyn Error>> {
         for item in comp::item::Item::new_from_asset_glob("common.items.armor.*")
             .expect("Failed to iterate over item folders!")
         {
-            match item.kind() {
+            match &*item.kind() {
                 comp::item::ItemKind::Armor(armor) => {
                     if let ArmorKind::Bag(_) = armor.kind {
                         continue;
@@ -79,7 +79,7 @@ fn armor_stats() -> Result<(), Box<dyn Error>> {
 
                     if let Ok(ref record) = record {
                         if item.item_definition_id()
-                            == record.get(headers["Path"]).expect("No file path in csv?")
+                            == ItemDefinitionId::Simple(record.get(headers["Path"]).expect("No file path in csv?"))
                         {
                             let protection =
                                 if let Some(protection_raw) = record.get(headers["Protection"]) {
@@ -222,7 +222,7 @@ fn armor_stats() -> Result<(), Box<dyn Error>> {
                                 ItemKind::Armor(armor),
                                 quality,
                                 item.tags().to_vec(),
-                                item.ability_spec.clone(),
+                                item.ability_spec().map(|spec| spec.into_owned()),
                             );
 
                             let pretty_config = PrettyConfig::new()
@@ -232,7 +232,7 @@ fn armor_stats() -> Result<(), Box<dyn Error>> {
                                 .enumerate_arrays(true);
 
                             let mut path = ASSETS_PATH.clone();
-                            for part in item.item_definition_id().split('.') {
+                            for part in item.item_definition_id().raw().expect("Csv import only works on simple items, not modular items").split('.') {
                                 path.push(part);
                             }
                             path.set_extension("ron");
@@ -273,10 +273,10 @@ fn weapon_stats() -> Result<(), Box<dyn Error>> {
             .expect("Failed to iterate over item folders!");
 
         for item in items.iter() {
-            if let comp::item::ItemKind::Tool(tool) = item.kind() {
+            if let comp::item::ItemKind::Tool(tool) = &*item.kind() {
                 if let Ok(ref record) = record {
                     if item.item_definition_id()
-                        == record.get(headers["Path"]).expect("No file path in csv?")
+                        == ItemDefinitionId::Simple(record.get(headers["Path"]).expect("No file path in csv?"))
                     {
                         let kind = tool.kind;
                         let equip_time_secs: f32 = record
@@ -414,7 +414,7 @@ fn weapon_stats() -> Result<(), Box<dyn Error>> {
                             ItemKind::Tool(tool),
                             quality,
                             item.tags().to_vec(),
-                            item.ability_spec.clone(),
+                            item.ability_spec().map(|spec| spec.into_owned()),
                         );
 
                         let pretty_config = PrettyConfig::new()
@@ -424,7 +424,7 @@ fn weapon_stats() -> Result<(), Box<dyn Error>> {
                             .enumerate_arrays(true);
 
                         let mut path = ASSETS_PATH.clone();
-                        for part in item.item_definition_id().split('.') {
+                        for part in item.item_definition_id().raw().expect("Csv import only works on simple items, not modular items").split('.') {
                             path.push(part);
                         }
                         path.set_extension("ron");
@@ -513,10 +513,9 @@ fn loot_table(loot_table: &str) -> Result<(), Box<dyn Error>> {
                 tool: get_tool_kind(record.get(headers["Item"]).expect("No tool").to_string())
                     .expect("Invalid tool kind"),
                 material: Material::from_str(
-                    &record
+                    record
                         .get(headers["Lower Amount or Material"])
-                        .expect("No material")
-                        .to_string(),
+                        .expect("No material"),
                 )
                 .expect("Invalid material type"),
                 hands: get_tool_hands(
diff --git a/common/src/bin/recipe_graphviz.rs b/common/src/bin/recipe_graphviz.rs
index b7fb176207..a7e6abaa20 100644
--- a/common/src/bin/recipe_graphviz.rs
+++ b/common/src/bin/recipe_graphviz.rs
@@ -20,20 +20,20 @@ fn main() {
             .or_insert_with(|| graph.add_node(node.to_owned()))
     };
     for (_, recipe) in recipes.iter() {
-        let output = recipe.output.0.item_definition_id();
+        let output = String::from(recipe.output.0.item_definition_id().raw().expect("Recipe book can only create simple items (probably)"));
         let inputs = recipe
             .inputs
             .iter()
-            .map(|(i, _)| i)
+            .map(|(i, _, _)| i)
             .filter_map(|input| {
                 if let RecipeInput::Item(item) = input {
-                    Some(item.item_definition_id())
+                    item.item_definition_id().raw().map(String::from)
                 } else {
                     None
                 }
             })
             .collect::<Vec<_>>();
-        let out_node = add_node(&mut graph, output);
+        let out_node = add_node(&mut graph, &output);
         for input in inputs.iter() {
             let in_node = add_node(&mut graph, input);
             graph.add_edge(in_node, out_node, ());
diff --git a/common/src/comp/inventory/test.rs b/common/src/comp/inventory/test.rs
index fbbc5e1454..e65d9748ec 100644
--- a/common/src/comp/inventory/test.rs
+++ b/common/src/comp/inventory/test.rs
@@ -1,7 +1,8 @@
 use super::*;
 use crate::comp::{
     inventory::{slot::ArmorSlot, test_helpers::get_test_bag},
-    Item, item::ItemDefinitionId,
+    item::ItemDefinitionId,
+    Item,
 };
 use lazy_static::lazy_static;
 lazy_static! {