diff --git a/youmubot-osu/src/discord/embeds.rs b/youmubot-osu/src/discord/embeds.rs
index 94f1a36..aec5282 100644
--- a/youmubot-osu/src/discord/embeds.rs
+++ b/youmubot-osu/src/discord/embeds.rs
@@ -1,5 +1,8 @@
 use super::BeatmapWithMode;
-use crate::models::{Beatmap, Mode, Rank, Score, User};
+use crate::{
+    discord::oppai_cache::BeatmapInfo,
+    models::{Beatmap, Mode, Mods, Rank, Score, User},
+};
 use chrono::Utc;
 use serenity::{builder::CreateEmbed, utils::MessageBuilder};
 use youmubot_prelude::*;
@@ -12,7 +15,32 @@ fn format_mode(actual: Mode, original: Mode) -> String {
     }
 }
 
-pub fn beatmap_embed<'a>(b: &'_ Beatmap, m: Mode, c: &'a mut CreateEmbed) -> &'a mut CreateEmbed {
+pub fn beatmap_embed<'a>(
+    b: &'_ Beatmap,
+    m: Mode,
+    mods: Mods,
+    info: Option<BeatmapInfo>,
+    c: &'a mut CreateEmbed,
+) -> &'a mut CreateEmbed {
+    let mod_str = if mods == Mods::NOMOD {
+        "".to_owned()
+    } else {
+        format!(" {}", mods)
+    };
+    let total_length = if mods.intersects(Mods::DT | Mods::NC) {
+        b.total_length * 2 / 3
+    } else if mods.intersects(Mods::HT) {
+        b.total_length * 4 / 3
+    } else {
+        b.total_length
+    };
+    let drain_length = if mods.intersects(Mods::DT | Mods::NC) {
+        b.drain_length * 2 / 3
+    } else if mods.intersects(Mods::HT) {
+        b.drain_length * 4 / 3
+    } else {
+        b.drain_length
+    };
     c.title(
         MessageBuilder::new()
             .push_bold_safe(&b.artist)
@@ -21,6 +49,7 @@ pub fn beatmap_embed<'a>(b: &'_ Beatmap, m: Mode, c: &'a mut CreateEmbed) -> &'a
             .push(" [")
             .push_bold_safe(&b.difficulty_name)
             .push("]")
+            .push(&mod_str)
             .build(),
     )
     .author(|a| {
@@ -34,15 +63,29 @@ pub fn beatmap_embed<'a>(b: &'_ Beatmap, m: Mode, c: &'a mut CreateEmbed) -> &'a
     .color(0xffb6c1)
     .field(
         "Star Difficulty",
-        format!("{:.2}⭐", b.difficulty.stars),
+        format!(
+            "{:.2}⭐",
+            info.map(|v| v.stars as f64).unwrap_or(b.difficulty.stars)
+        ),
         false,
     )
+    .fields(info.map(|info| {
+        (
+            "Calculated pp",
+            format!(
+                "95%: **{:.2}**pp, 98%: **{:.2}**pp, 99%: **{:.2}**pp, 100%: **{:.2}**pp",
+                info.pp[0], info.pp[1], info.pp[2], info.pp[3]
+            ),
+            false,
+        )
+    }))
+    .fields(Some(("Mods", mods, false)).filter(|_| mods != Mods::NOMOD))
     .field(
         "Length",
         MessageBuilder::new()
-            .push_bold_safe(Duration(b.total_length))
+            .push_bold_safe(Duration(total_length))
             .push(" (")
-            .push_bold_safe(Duration(b.drain_length))
+            .push_bold_safe(Duration(drain_length))
             .push(" drain)")
             .build(),
         false,
@@ -90,6 +133,12 @@ pub fn beatmap_embed<'a>(b: &'_ Beatmap, m: Mode, c: &'a mut CreateEmbed) -> &'a
             .push_bold(&b.genre)
             .build(),
     )
+    .footer(|f| {
+        if info.is_none() && mods != Mods::NOMOD {
+            f.text("Star difficulty not reflecting mods applied.");
+        }
+        f
+    })
 }
 
 const MAX_DIFFS: usize = 25 - 4;
diff --git a/youmubot-osu/src/discord/hook.rs b/youmubot-osu/src/discord/hook.rs
index 62c2bcf..51c9ecc 100644
--- a/youmubot-osu/src/discord/hook.rs
+++ b/youmubot-osu/src/discord/hook.rs
@@ -1,6 +1,7 @@
 use super::OsuClient;
 use crate::{
-    models::{Beatmap, Mode},
+    discord::oppai_cache::{BeatmapCache, BeatmapInfo},
+    models::{Beatmap, Mode, Mods},
     request::BeatmapRequestKind,
 };
 use lazy_static::lazy_static;
@@ -11,6 +12,7 @@ use serenity::{
     model::channel::Message,
     utils::MessageBuilder,
 };
+use std::str::FromStr;
 use youmubot_prelude::*;
 
 use super::embeds::{beatmap_embed, beatmapset_embed};
@@ -34,13 +36,13 @@ pub fn hook(ctx: &mut Context, msg: &Message) -> () {
         let mut last_beatmap = None;
         for l in old_links.into_iter().chain(new_links.into_iter()) {
             if let Err(v) = msg.channel_id.send_message(&ctx, |m| match l.embed {
-                EmbedType::Beatmap(b) => {
-                    let t = handle_beatmap(&b, l.link, l.mode, l.mods, m);
+                EmbedType::Beatmap(b, info, mods) => {
+                    let t = handle_beatmap(&b, info, l.link, l.mode, mods, m);
                     let mode = l.mode.unwrap_or(b.mode);
                     last_beatmap = Some(super::BeatmapWithMode(b, mode));
                     t
                 }
-                EmbedType::Beatmapset(b) => handle_beatmapset(b, l.link, l.mode, l.mods, m),
+                EmbedType::Beatmapset(b) => handle_beatmapset(b, l.link, l.mode, m),
             }) {
                 println!("Error in osu! hook: {:?}", v)
             }
@@ -59,7 +61,7 @@ pub fn hook(ctx: &mut Context, msg: &Message) -> () {
 }
 
 enum EmbedType {
-    Beatmap(Beatmap),
+    Beatmap(Beatmap, Option<BeatmapInfo>, Mods),
     Beatmapset(Vec<Beatmap>),
 }
 
@@ -67,12 +69,12 @@ struct ToPrint<'a> {
     embed: EmbedType,
     link: &'a str,
     mode: Option<Mode>,
-    mods: Option<&'a str>,
 }
 
 fn handle_old_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPrint<'a>>, Error> {
     let osu = ctx.data.get_cloned::<OsuClient>();
     let mut to_prints: Vec<ToPrint<'a>> = Vec::new();
+    let cache = ctx.data.get_cloned::<BeatmapCache>();
     for capture in OLD_LINK_REGEX.captures_iter(content) {
         let req_type = capture.name("link_type").unwrap().as_str();
         let req = match req_type {
@@ -100,11 +102,22 @@ fn handle_old_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
         match req_type {
             "b" => {
                 for b in beatmaps.into_iter() {
+                    // collect beatmap info
+                    let mods = capture
+                        .name("mods")
+                        .map(|v| Mods::from_str(v.as_str()).ok())
+                        .flatten()
+                        .unwrap_or(Mods::NOMOD);
+                    let info = mode.unwrap_or(b.mode).to_oppai_mode().and_then(|mode| {
+                        cache
+                            .get_beatmap(b.beatmap_id)
+                            .and_then(|b| b.get_info_with(Some(mode), mods))
+                            .ok()
+                    });
                     to_prints.push(ToPrint {
-                        embed: EmbedType::Beatmap(b),
+                        embed: EmbedType::Beatmap(b, info, mods),
                         link: capture.get(0).unwrap().as_str(),
                         mode,
-                        mods: capture.name("mods").map(|v| v.as_str()),
                     })
                 }
             }
@@ -112,7 +125,6 @@ fn handle_old_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
                 embed: EmbedType::Beatmapset(beatmaps),
                 link: capture.get(0).unwrap().as_str(),
                 mode,
-                mods: capture.name("mods").map(|v| v.as_str()),
             }),
             _ => (),
         }
@@ -123,6 +135,7 @@ fn handle_old_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
 fn handle_new_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPrint<'a>>, Error> {
     let osu = ctx.data.get_cloned::<OsuClient>();
     let mut to_prints: Vec<ToPrint<'a>> = Vec::new();
+    let cache = ctx.data.get_cloned::<BeatmapCache>();
     for capture in NEW_LINK_REGEX.captures_iter(content) {
         let mode = capture.name("mode").and_then(|v| {
             Some(match v.as_str() {
@@ -133,7 +146,6 @@ fn handle_new_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
                 _ => return None,
             })
         });
-        let mods = capture.name("mods").map(|v| v.as_str());
         let link = capture.get(0).unwrap().as_str();
         let req = match capture.name("beatmap_id") {
             Some(ref v) => BeatmapRequestKind::Beatmap(v.as_str().parse()?),
@@ -148,10 +160,24 @@ fn handle_new_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
         match capture.name("beatmap_id") {
             Some(_) => {
                 for beatmap in beatmaps.into_iter() {
+                    // collect beatmap info
+                    let mods = capture
+                        .name("mods")
+                        .map(|v| Mods::from_str(v.as_str()).ok())
+                        .flatten()
+                        .unwrap_or(Mods::NOMOD);
+                    let info = mode
+                        .unwrap_or(beatmap.mode)
+                        .to_oppai_mode()
+                        .and_then(|mode| {
+                            cache
+                                .get_beatmap(beatmap.beatmap_id)
+                                .and_then(|b| b.get_info_with(Some(mode), mods))
+                                .ok()
+                        });
                     to_prints.push(ToPrint {
-                        embed: EmbedType::Beatmap(beatmap),
+                        embed: EmbedType::Beatmap(beatmap, info, mods),
                         link,
-                        mods,
                         mode,
                     })
                 }
@@ -159,7 +185,6 @@ fn handle_new_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
             None => to_prints.push(ToPrint {
                 embed: EmbedType::Beatmapset(beatmaps),
                 link,
-                mods,
                 mode,
             }),
         }
@@ -169,9 +194,10 @@ fn handle_new_links<'a>(ctx: &mut Context, content: &'a str) -> Result<Vec<ToPri
 
 fn handle_beatmap<'a, 'b>(
     beatmap: &Beatmap,
+    info: Option<BeatmapInfo>,
     link: &'_ str,
     mode: Option<Mode>,
-    mods: Option<&'_ str>,
+    mods: Mods,
     m: &'a mut CreateMessage<'b>,
 ) -> &'a mut CreateMessage<'b> {
     m.content(
@@ -180,14 +206,13 @@ fn handle_beatmap<'a, 'b>(
             .push_mono_safe(link)
             .build(),
     )
-    .embed(|b| beatmap_embed(beatmap, mode.unwrap_or(beatmap.mode), b))
+    .embed(|b| beatmap_embed(beatmap, mode.unwrap_or(beatmap.mode), mods, info, b))
 }
 
 fn handle_beatmapset<'a, 'b>(
     beatmaps: Vec<Beatmap>,
     link: &'_ str,
     mode: Option<Mode>,
-    mods: Option<&'_ str>,
     m: &'a mut CreateMessage<'b>,
 ) -> &'a mut CreateMessage<'b> {
     let mut beatmaps = beatmaps;
diff --git a/youmubot-osu/src/discord/mod.rs b/youmubot-osu/src/discord/mod.rs
index 22f5a58..93bea84 100644
--- a/youmubot-osu/src/discord/mod.rs
+++ b/youmubot-osu/src/discord/mod.rs
@@ -1,5 +1,6 @@
 use crate::{
-    models::{Beatmap, Mode, Score, User},
+    discord::oppai_cache::BeatmapCache,
+    models::{Beatmap, Mode, Mods, Score, User},
     request::{BeatmapRequestKind, UserID},
     Client as OsuHttpClient,
 };
@@ -20,7 +21,7 @@ mod cache;
 mod db;
 pub(crate) mod embeds;
 mod hook;
-mod oppai_cache;
+pub(crate) mod oppai_cache;
 mod server_rank;
 
 use db::OsuUser;
@@ -334,18 +335,26 @@ pub fn recent(ctx: &mut Context, msg: &Message, mut args: Args) -> CommandResult
 
 #[command]
 #[description = "Show information from the last queried beatmap."]
-#[num_args(0)]
-pub fn last(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
+#[usage = "[mods = no mod]"]
+#[max_args(1)]
+pub fn last(ctx: &mut Context, msg: &Message, mut args: Args) -> CommandResult {
     let b = cache::get_beatmap(&*ctx.data.read(), msg.channel_id)?;
 
     match b {
         Some(BeatmapWithMode(b, m)) => {
+            let mods = args.find::<Mods>().unwrap_or(Mods::NOMOD);
+            let info = ctx
+                .data
+                .get_cloned::<BeatmapCache>()
+                .get_beatmap(b.beatmap_id)?
+                .get_info_with(m.to_oppai_mode(), mods)
+                .ok();
             msg.channel_id.send_message(&ctx, |f| {
                 f.content(format!(
                     "{}: here is the beatmap you requested!",
                     msg.author
                 ))
-                .embed(|c| beatmap_embed(&b, m, c))
+                .embed(|c| beatmap_embed(&b, m, mods, info, c))
             })?;
         }
         None => {
diff --git a/youmubot-osu/src/discord/oppai_cache.rs b/youmubot-osu/src/discord/oppai_cache.rs
index 11b3a2e..60cf6b3 100644
--- a/youmubot-osu/src/discord/oppai_cache.rs
+++ b/youmubot-osu/src/discord/oppai_cache.rs
@@ -12,8 +12,8 @@ pub struct BeatmapContent {
 /// the output of "one" oppai run.
 #[derive(Clone, Copy, Debug)]
 pub struct BeatmapInfo {
-    stars: f32,
-    pp: [f32; 4], // 95, 98, 99, 100
+    pub stars: f32,
+    pub pp: [f32; 4], // 95, 98, 99, 100
 }
 
 impl BeatmapContent {
@@ -22,21 +22,27 @@ impl BeatmapContent {
         &self,
         combo: oppai_rs::Combo,
         accuracy: f32,
+        mode: Option<oppai_rs::Mode>,
         mods: impl Into<oppai_rs::Mods>,
     ) -> Result<f32, CommandError> {
-        Ok(oppai_rs::Oppai::new_from_content(&self.content[..])?
-            .combo(combo)?
-            .accuracy(accuracy)?
-            .mods(mods.into())
-            .pp())
+        let mut oppai = oppai_rs::Oppai::new_from_content(&self.content[..])?;
+        oppai.combo(combo)?.accuracy(accuracy)?.mods(mods.into());
+        if let Some(mode) = mode {
+            oppai.mode(mode)?;
+        }
+        Ok(oppai.pp())
     }
 
     /// Get info given mods.
     pub fn get_info_with(
         &self,
+        mode: Option<oppai_rs::Mode>,
         mods: impl Into<oppai_rs::Mods>,
     ) -> Result<BeatmapInfo, CommandError> {
         let mut oppai = oppai_rs::Oppai::new_from_content(&self.content[..])?;
+        if let Some(mode) = mode {
+            oppai.mode(mode)?;
+        }
         oppai.mods(mods.into()).combo(oppai_rs::Combo::PERFECT)?;
         let pp = [
             oppai.accuracy(95.0)?.pp(),
@@ -50,6 +56,7 @@ impl BeatmapContent {
 }
 
 /// A central cache for the beatmaps.
+#[derive(Clone, Debug)]
 pub struct BeatmapCache {
     client: reqwest::blocking::Client,
     cache: Arc<dashmap::DashMap<u64, BeatmapContent>>,
@@ -67,7 +74,7 @@ impl BeatmapCache {
     fn download_beatmap(&self, id: u64) -> Result<BeatmapContent, CommandError> {
         let content = self
             .client
-            .get(&format!("https://osu.ppy.sh/u/{}", id))
+            .get(&format!("https://osu.ppy.sh/osu/{}", id))
             .send()?
             .bytes()?;
         Ok(BeatmapContent {
diff --git a/youmubot-osu/src/models/mod.rs b/youmubot-osu/src/models/mod.rs
index 57697bf..75eaad6 100644
--- a/youmubot-osu/src/models/mod.rs
+++ b/youmubot-osu/src/models/mod.rs
@@ -118,6 +118,17 @@ impl fmt::Display for Mode {
     }
 }
 
+impl Mode {
+    /// Convert to oppai mode.
+    pub fn to_oppai_mode(self) -> Option<oppai_rs::Mode> {
+        Some(match self {
+            Mode::Std => oppai_rs::Mode::Std,
+            Mode::Taiko => oppai_rs::Mode::Taiko,
+            _ => return None,
+        })
+    }
+}
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Beatmap {
     // Beatmapset info