public boolean openArena() {
		if (this.bossspawn == null || this.playerspawn == null
				|| this.ready == null || this.deathspawn == null) {
			plugin.sendtoserver(": " + this.arenaname + " δȫ!");
			return false;
		}

		arenastate = ArenaState.STAT_OPEN;
		plugin.sendtoserver(" " + this.arenaname);
		return true;
	}