The Callisto Protocol

Ferris Boss Fight Guide: How to Beat the Final Boss

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The Callisto Protocol - How to Beat Ferris
Captain Leon Ferris is encountered as a boss in Chapter 7: Colony and as the final boss of The Callisto Protocol at the end of Chapter 8: Tower. Read on to learn how to beat Ferris and to see guides for each of his encounters!

Captain Leon Ferris Guides
Callisto Protocol - FerrisCharacter Profile The Callisto Protocol - How to Beat FerrisBoss Fight Guide

How to Beat Ferris

Tips for Taking Down Ferris




Use the Reforge Terminal Before Each Fight

The Callisto Protocol - Ammo in Reforge Terminal
There is always a Reforge Terminal before each encounter with Captain Ferris. Upgrade your weapons and stock up on healing and ammunition at these Terminals before heading into each fight to improve your chances of taking him down.

Inspect the Second Encounter Arena Before Buying Supplies

The Callisto Protocol - Second Encounter Arena Blue Supply Box
Before buying supplies at the Reforge Terminal near the second Ferris encounter, we recommend moving ahead into the arena without triggering the boss fight and collecting drops from the blue boxes. Doing this can save you from buying unnecessary Health Injectors and ammo.

Stay Patient When Fighting Ferris

Ferris can mix up the number of melee strikes he performs and shrug off hits while he attacks. Stay patient while dodging his attacks and only counterattack during clear openings to avoid taking unnecessary damage.

How to Dodge Melee Attacks

Learn to Quick Swap Weapons and Health Injectors

How to Quick Swap Weapons Press 2 on the Keyboard for PC
Press the Left Button on D-Pad for Consoles
How to Quick Use Health Injectors Press 3 on the Keyboard for PC
Hold the Down Button on D-Pad for Consoles

Instead of using the inventory screen to access your items, utilize the Quick Swap and Quick Use keys to make yourself less vulnerable while fighting Ferris.

Use the Riot Gun In the First Encounter

Since Ferris stays up close and only uses melee attacks in the first encounter, he is particularly vulnerable to the Riot Gun's high close-range damage. Stock up on Riot Gun ammo before the first encounter and use the gun often to give yourself an easier time during the fight.

Riot Gun Upgrades and How to Get

Use the Assault Rifle In the Second Encounter

The Callisto Protocol - Use the Assault Rifle In the Second Encounter
In the second encounter, Ferris gains access to a ranged attack and summons Exploders to come after you throughout the fight. In light of this, we recommend bringing the Assault Rifle for the second encounter, as it excels at all ranges and can make short work of the Exploders.

How to Get the Assault Rifle and List of Upgrades

Ferris Boss Encounter Guides

Encounter Guides
(Click to Jump to a Section!)
First Encounter Second Encounter

First Encounter Guide

Ferris First Encounter
(Chapter 7: Colony)
1 Prepare to Dodge His Initial Combo
After the cutscene with Ferris ends, he will immediately charge at you to perform a multi-hit melee combo, so prepare to dodge this initial flurry of strikes.
2 Only Act Between Combos
After throwing out 3 to 6 punches, Ferris tends to back off to perform a taunt that lasts for a few seconds. Take advantage of this opening to attack Ferris, reload your weapon, or swap between guns.
3 Stay Calm If He Grabs You
During the fight, Ferris can sometimes grab you and kick you to the ground opposite where you were standing. Since this attack does not seem to do damage and prevents you from getting cornered, don't panic when it occurs.
4 Dodge and Counterattack Until The Fight Ends
Repeatedly dodge Ferris's attacks and hit him between his combos until you trigger a cutscene, signaling the end of the first encounter.

Back to Encounter Guide Selection

Second Encounter Guide

Ferris Second Encounter
(Chapter 8: Tower)
1 Dodge and Counterattack in Phase One
After the cutscene with Cole and Ferris ends, Phase One of the fight begins. This phase is mostly the same as the first encounter, but Ferris often punches more than 4 times in a row.

Dodge Ferris's attacks repeatedly and counterattack between his combos to get through this phase. Prioritize using melee combos to conserve your ammo for the next phase of the fight.
2 Aim for the Head in Phase Two
Once Phase Two starts, Ferris's head becomes his primary weak spot, though he protects it with a barrier. Concentrate your firepower on Ferris's head to break through the barrier and deal heavy damage.
3 Prioritize Taking Out Exploding Foes
After dealing enough damage to Ferris's head, he will eventually regenerate his barrier while roaring. When he does this, up to four exploding foes will spawn around the arena.

Prioritize taking out these enemies from afar to avoid taking unnecessary damage during the fight. These foes also drop ammo and Healing Gel which can be incredibly useful throughout the fight.
4 Utilize the Explosive Tanks Around the Arena
You can find explosive tanks scattered around the arena. Pick them up with your GRP and send them flying toward Ferris to deal heavy damage.
5 Wear Ferris Down Until He Dies
Repeatedly break Ferris' barrier and deal damage to his head while dodging his melee and ranged attacks until he eventually goes down.

Back to Encounter Guide Selection

The Callisto Protocol Related Guides

The Callisto Protocol - Bosses and Enemies Partial Banner

List of Bosses and Enemies

All Boss and Enemy Guides

Boss Guides
How to Beat Two-Head Boss Ferris Boss Fight Guide
Enemy Guides
How to Kill Security Bots How to Beat Biophage

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