★ Find out what gets carried over to New Game Plus!
☆ Learn how to get Beskar Steel and all weapon materials!
★ Make sure to get all the BD-1 Upgrades to help in combat!
☆ Get Map Upgrades to make hunting Collectibles easier!

Mads Gresh and San Dersen are optional bosses in Underground Observatory on Koboh Part 4. Read on to learn how to quickly beat them and their rewards!
List of Contents
| Mads Gresh and San Dersen Strategy |
|---|
|
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Attacking one boss at a time is more efficient and easier than having to take on both bosses simultaneously; this allows you to worry less about being struck at another angle.

Force Pull is a valuable ability that can isolate each boss. Simply run to any far side of the area and pull one boss towards you. Note that bosses may attack you while you pull them, so have your guard ready and parry their attack.

Make sure to utilize Bode's companion commands to help isolate bosses. Bode can also be of great help in this fight as he can knock down each boss and get their attention, allowing you to focus on one boss.

Using your Force Slow allows you to focus on one enemy while the other is slowed. Utilize this ability to make quick work of one boss then focus on the remaining one.

Defeating Mads Gresh and San Dersen gives access to a Health Essence. Health Essences permanently increase Cal's maximum health once picked up.

| Story Bosses | |
|---|---|
| K-405 | The Ninth Sister |
| Zeik | Dagan Gera |
| Skriton | AT-ST |
| Reprogrammed Magnaguard | Drya Thornne |
| Tague Louesh | Rayvis |
| Rick, The Door Technician | Urgost, Fist of Rayvis |
| Bode Akuna | Darth Vader |
| Final Boss | |
| Legendary Enemies | |
| Rancor | Spawn of Oggdo |
| D-L1T | Frenzied Jotaz |
| Masiff | The Mire Terror |
| Beetu Deetu | E3-VE3 |
| Vile Bilemaw | Golden Skriton |
| Sutaban Alpha | Gorocco Matriarch |
| Optional Bosses | |
| Sebb Eshan | Prince Patren |
| Urjef Mekor | Vashtan Wolfe |
| Hytho Pixx | Mads Gresh and San Dersen |
How to Beat Mads Gresh and San Dersen



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