Embarking on your journey in the vast, action-packed world of Warframe, you might find yourself eager to acquire a faithful companion to aid you in your missions. Sentinels, your robotic allies, are an excellent addition to your arsenal, offering support and assistance in various ways. This guide will walk you through the process of obtaining your first Sentinel, focusing on the Helios Sentinel, which is readily available to new players.

Understanding Sentinels
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Sentinels are AI-controlled robotic companions that can be customized and upgraded to suit your playstyle. They can be equipped with weapons, modded for better performance, and even given unique appearances with customizations. Sentinels have a dedicated energy pool and can be sent back to your Orbiter for repairs and reconfiguration between missions.
Acquiring Your First Sentinel: Helios

The Helios Sentinel is a versatile and powerful companion that new players can obtain relatively early in the game. Here's a step-by-step guide to acquiring your Helios Sentinel:
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Complete the tutorial missions until you reach the planet Mars. During the mission "The War Within," you will receive the Helios Sentinel blueprint as a reward.

To build the Helios Sentinel, you'll need to gather some resources. The required materials are:
- 10,000 Credits
- 500 Ferrite
- 500 Alloy Plate
- 500 Rubedo
Head to your Orbiter and interact with the Foundry, located in the main room. Select "Sentinels" from the menu, then choose "Helios" to begin construction. Ensure you have the required resources, and click "Build" to start the process.

Once the construction is complete, you can equip your Helios Sentinel by visiting the Arsenal in your Orbiter. Select "Sentinels" and choose your Helios to equip it. You can also customize its appearance and configure its abilities here.
Customizing and Upgrading Your Helios Sentinel

Now that you have your Helios Sentinel, it's time to make it your own. You can customize its appearance using Forma and cosmetic items, as well as upgrade its abilities with mods. To access the customization and upgrade options, interact with your Helios Sentinel in the Arsenal and select "Customize" or "Mods."
Sentinel Abilities and Weapons




















Sentinels have a dedicated energy pool and can use abilities to support you in combat. The Helios Sentinel comes with three abilities:
| Ability | Description |
|---|---|
| Shield Polarize | Creates a shield that absorbs incoming damage and reflects it back at enemies. |
| Twin Victa | Deploys a pair of energy blades that attack nearby enemies. |
| Phalanx Rounds | Fires a barrage of energy projectiles that home in on enemies. |
Additionally, you can equip your Helios Sentinel with weapons, such as machine guns, shotguns, or sniper rifles, to provide further support in combat. To change your Sentinel's weapon, visit the Arsenal and select "Weapons" while your Helios is equipped.
Warframe's Sentinels offer a wealth of customization and strategic depth, allowing you to tailor your robotic companion to your unique playstyle. By following this guide, you'll be well on your way to acquiring and upgrading your Helios Sentinel, making it an invaluable ally in your missions across the Solar System.