Ruina Station

Requirements

 * Being Level 75
 * Have a Muster Card: Ruina Station in your inventory
 * Have 30 minutes free to kill without resting, that's the time that the dungeon lasts.

Tips

 * Take 200+ HP Potion(LV3) the first time you go.
 * Wear at least Osmium armor.
 * Ideal party size is 3-4.

Video Walkthrough
Here's a video guide of Ruina Station.

Walkthrough

 * 1) Enter the portal in the West corner of Fort. Ruina. [[Image:RSEntrance.jpg|300px]]
 * 2) Head forward until you arrive at the Invader Mecha Ape T-2 boss.
 * 3) Kill it, with all the surrounding monsters nearby for extra XP. A treasure chest will drop and the gate will open. [[Image: RS1.jpg|400px]]
 * 4) Continue through the container yard until you arrive at the Invader Mecha Ape T-B boss.
 * 5) Kill it. A treasure chest will drop and the gate will open. [[Image: RS2.jpg]]
 * 6) Cross the bridge and continue until you arrive at the Invader Excavator-R2 boss.
 * 7) Kill it. If you're low level (<90), you will probably want to use Battle Mode. A treasure chest will drop and the gate will open. [[Image: RS3.jpg]]
 * 8) Cross the bridge and follow the path until you arrive at the Invader Mecha Buffalo+ in the Stone Statue room at the end of the path.
 * 9) *Each of the 16 stones spawns 2 Invader Mecha Buffalos when killed. They can provide great XP, especially when in a party.  If you are weak you may want to avoid the stones.
 * 10) Kill the buffa. The door will close and the Invader Mecha Bear boss will spawn in the room. If you are locked outside, look for the nearby portal to get back in. [[Image: RS4.jpg]]
 * 11) Kill the bear. A treasure chest will drop and the gate will open.
 * 12) Continue until you arrive at the Controller YS. [[Image: RS5.jpg]]
 * 13) Kill it and a giant Invader Mecha Spider boss will spawn. [[Image: RS6.jpg]]
 * 14) Kill it and several Invader Auto-Cannons will appear
 * 15) Kill them while you wait 90 seconds for another Mecha Spider to spawn.
 * 16) Kill it and the trashcan-like objects will illuminate and become Controller CYs, spawning some invincible Invader Electric Birds.
 * 17) Kill the controllers while you wait 120 seconds for the final boss Invader Mecha Spider to spawn. [[Image: RS7.jpg]]
 * 18) Kill it and a treasure chest will drop.
 * 19) Make sure that you pick up the drop of the last chest before you leave the dungeon.
 * 20) Clicking OK you will return to Fort. Ruina and receive a reward of 150 Honour Points.

Video Walkthrough
Ruina Station Guide