Cobblemon Arena

Cobblemon Arena PvP Adds structured competitive PvP to your Cobblemon server with ranked matchmaking, tournaments, and full Discord integration.

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About this Mod

Cobblemon Arena PvP

Competitive PvP system for Cobblemon servers. Battle in arenas with ranked matchmaking, climb the leaderboard, and compete in automated tournaments — all integrated with Discord.


Getting Started — Free License

This mod requires a license key to activate. The license is completely free and valid for unlimited use — no payments, no expiration.

We use the license system solely to track bugs and monitor how the mod behaves across different servers during this testing phase.

How to get your license:

  1. Join our Discord server
  2. Go to the #request-help-license channel
  3. Request your free license key
  4. Add the key to your config file under license_key

That's it — you're ready to go!


How It Works

Players challenge each other or join a matchmaking queue. The mod teleports both players to a random arena, starts a Cobblemon battle, and tracks the result. After the match, players return to their original position and rankings update automatically.


Ranked System

  • ELO-based matchmaking with divisions: Bronze, Silver, Gold, Platinum, Diamond, Master
  • Placement matches before your first rank
  • Promotion and demotion between divisions
  • Separate Normal and Ranked queues
  • Boss bar showing queue status

Tournaments

  • Weekly tournament polls via Discord (day, time, banned Pokemon)
  • Sign-up through Discord button — no need to be in-game
  • Dynamic slots: starts at 10, expands up to 20
  • Auto-generated single-elimination brackets with ELO seeding
  • 1-5 simultaneous battles with automatic W.O. for no-shows
  • Live Discord embeds updated each round
  • Automatic prizes and champion trophies on the website

Discord Integration

  • Embedded Discord bot — no external setup needed
  • Leaderboard and player stats commands
  • Rich embeds for every match result
  • Tournament sign-ups, bracket reveals, and live updates
  • Auto role assignment on account link
  • Slash command /linkar to link Minecraft and Discord accounts

Boss Raids

  • Manual boss raids via admin command or automatic spawning on a timer
  • Optional RaidDens mod integration (zero hard dependencies)
  • Damage-based XP rewards with ranking
  • Discord notifications for spawn, defeat, and expiration

Website Integration

  • Replay capture in Pokemon Showdown format
  • Leaderboard, match history, and replay sync via HTTP API
  • Champion trophies sent to website after tournaments

Player Commands

Command Description
/challenge <player> Challenge a player to a duel
/challenge accept Accept a pending challenge
/challenge decline Decline a pending challenge
/normal Join the Normal (casual) queue
/ranked Join the Ranked queue (requires 10 Pokemon)
/leave Leave any queue
/matchaccept Accept a ranked match
/matchdecline Decline a ranked match
/arena spec [arena] Spectate an active duel
/bossraid join Join an active boss raid
/carena banlist View tournament banned Pokemon
/carena link Generate code to link Discord account
/carena link status Check Discord link status
/carena unlink Unlink Discord account

Admin Commands

All admin commands require the carena.admin permission.

Command Description
/carena admin arenaset <name> Create arena at current location
/carena admin arenasetspec <arena> Set spectator point for arena
/carena admin arenalist List all arenas with status
/carena admin arenadelete <name> Delete an arena
/carena admin bossraid start <pokemon> <level> Spawn a boss raid
/carena admin bossraid stop Stop active boss raid
/carena admin bossraid status Show boss raid details
/carena admin sync Force sync ranking data to web API
/carena admin banlist add <pokemon> Add Pokemon to tournament ban list
/carena admin banlist remove <pokemon> Remove Pokemon from tournament ban list
/carena admin prize set Capture admin inventory as tournament prizes
/carena admin tournament status Show tournament state
/carena admin tournament cancel Cancel active tournament
/carena admin tournament force Force poll posting (testing)

Discord Bot Commands

Command Description
/linkar <code> Link Minecraft account using 6-digit code
!rank Show paginated leaderboard
!rank <player> Show specific player stats
!banlist Show tournament banned Pokemon
!torneio Show next tournament info
!tournament history Show last 10 tournaments

Permissions

Admin (default: OP level 2):

Permission Description
carena.admin Access all admin commands
carena.admin.arena Manage arenas
carena.admin.bossraid Manage boss raids
carena.admin.sync Force sync to web API
carena.bypass.boundary Bypass arena boundary ejection

Player (default: everyone):

Permission Description
carena.play.normal Join normal queue
carena.play.ranked Join ranked queue
carena.play.challenge Challenge other players
carena.play.spectate Spectate matches
carena.play.bossraid Join boss raids

Configuration

The config file is located at carena/carena-server.toml in the server world directory.

General

Option Default Description
language pt_br Language (pt_br or en_us)

Battle

Option Default Description
enable_battle_logging true Enable detailed battle logging
battle_timeout 10 Battle timeout in minutes (1-60)
challenge_timeout 30 Challenge accept timeout in seconds (10-120)

Arena

Option Default Description
default_radius 20 Default arena radius in blocks (5-100)

Boss Raid

Option Default Description
spawn_radius 500 Max spawn distance from world spawn (50-5000)
auto_enabled false Enable automatic boss raid spawning
auto_interval_hours 4 Hours between automatic spawns (1-24)
duration_minutes 120 Minutes before boss disappears (10-480)
boss_pool mewtwo:100,... Comma-separated pokemon:level list
base_xp_reward 5000 Base XP per Pokemon, scaled by damage % (100-100000)
raiddens_enabled false Enable RaidDens mod integration

Web API

Option Default Description
web_enabled false Enable web API sync
web_api_url "" Web API base URL
web_api_key "" Secret API key for authentication

Discord

Option Default Description
webhook_enabled false Enable Discord webhooks
webhook_url "" Discord webhook URL for match results
status_webhook_url "" Separate webhook for server status messages
notify_duel_result true Send duel result embeds
notify_promotion true Send division promotion embeds
notify_boss_spawn true Send boss spawn notifications
notify_boss_defeated true Send boss defeat notifications
notify_boss_expired true Send boss expiration notifications
notify_server_start true Send server start notification
notify_server_stop true Send server stop notification
notify_match_found false Send match found notifications
notify_arena_change false Send arena change notifications
notify_queue_activity false Send queue activity notifications
bot_enabled false Enable embedded Discord bot
bot_token "" Discord bot token
bot_channel_id "" Channel ID for bot responses
cargo_id_link "" Role ID to assign on account link

Tournament

Option Default Description
tournament_enabled false Enable weekly tournaments
poll_hour 10 Hour for Saturday polls (0-23)
tournament_channel_ids [] Channel IDs for tournament announcements
admin_channel_id "" Channel for admin tournament results
enrollment_initial_slots 10 Initial player slots (4-20)
enrollment_max_slots 20 Maximum player slots (4-20)
enrollment_slot_increment 2 Slots added when filled (2-4)
bracket_announce_hours 24 Hours before tournament for bracket reveal (1-72)
max_concurrent_battles 3 Max simultaneous tournament battles (1-5)

Requirements

  • Minecraft 1.21.1
  • NeoForge
  • Cobblemon 1.7.3+
  • Java 21
  • Server-side only

Optional Integrations

  • RaidDens — Enable raiddens_enabled for automatic raid integration
  • Website — Enable web_enabled and configure API URL for leaderboard, replays, and trophies
  • Discord Webhooks — Enable webhook_enabled for match result embeds
  • Discord Bot — Enable bot_enabled for interactive leaderboard and tournament system

Languages

  • English (en_us)
  • Brazilian Portuguese (pt_br)

Available Versions

Cobblemon Arena PVP 1.0beta
MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9neoforge
March 26, 2026

How to Install Cobblemon Arena on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.9).

3

Install Mod

Open the mod browser in the dashboard and search for "Cobblemon Arena". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.9, 1.21.8, 1.21.7 (+6 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Cobblemon Arena server crashes on startup – what to do?

Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.9). You can switch loaders with one click in the panel.

Is Cobblemon Arena compatible with neoforge?

Cobblemon Arena officially supports neoforge for Minecraft 1.21.9, 1.21.8, 1.21.7. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Cobblemon Arena – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Cobblemon Arena consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

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Recommended RAM
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Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.21.91.21.81.21.71.21.61.21.51.21.41.21.31.21.21.21.1