diff --git a/src/server/packets/GetLineupAvatarDataCsReq.ts b/src/server/packets/GetLineupAvatarDataCsReq.ts
new file mode 100644
index 0000000..1131059
--- /dev/null
+++ b/src/server/packets/GetLineupAvatarDataCsReq.ts
@@ -0,0 +1,46 @@
+import { AvatarType, ExtraLineupType, GetLineupAvatarDataScRsp } from "../../data/proto/StarRail";
+import Packet from "../kcp/Packet";
+import Session from "../kcp/Session";
+
+export default async function handle(session: Session, packet: Packet) {
+    let lineup = await session.player.getLineup();
+
+    // This is a HORRIBLE solution, but tbh I just can't reproduce the bug so:
+    if (!lineup) {
+        session.c.error("Error! lineup is undefined. Falling back to default lineup.", false);
+        lineup = {
+            avatarList: [{
+                avatarType: AvatarType.AVATAR_FORMAL_TYPE,
+                hp: 10000,
+                id: 1001,
+                sp: 10000,
+                satiety: 100,
+                slot: 0,
+            }],
+            extraLineupType: ExtraLineupType.LINEUP_NONE,
+            index: 0,
+            isVirtual: false,
+            leaderSlot: 0,
+            mp: 100,
+            planeId: 10001,
+            name: "Fallback"
+        }
+        session.player.setLineup(lineup, 0, 0);
+        session.player.save();
+    }
+
+    const dataObj: GetLineupAvatarDataScRsp = {
+        retcode: 0,
+        avatarDataList: []
+    }
+
+    for (const avatar of lineup.avatarList) {
+        dataObj.avatarDataList.push({
+            avatarType: avatar.avatarType,
+            hp: avatar.hp,
+            id: avatar.id,
+        });
+    }
+
+    session.send("GetLineupAvatarDataScRsp", dataObj);
+}
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