Rising Tide

Rising Tide is a main Quest, released in . In preperation for the Sentient threat, the Tenno collect the parts they need to construct a Railjack, an Orokin warship dating back to the Old War.
==Synopsis==
With Sentient anomalies appearing in the Veil Proxima, the player reconstructs Cephalon Cy, an Orokin-era Cephalon that fought in The Old War. While searching throughout the Origin System for the missing parts of an ancient Orokin warship, the Railjack, Cy suffers traumatic flashbacks to his original crew, who perished during the Old War while attempting to behead a Sentient fleet. After desperately searching for a viable Cephalon to commandeer the Railjack, Cy realizes there is no one with his expertise or experience that could spearhead the Tenno's space crew in combat against their ancient enemy. With the Railjack repaired, the Tenno arm themselves to face the Sentient threat in the Veil Proxima.
==Walkthrough==
In order to access this quest, the player must have first completed The Second Dream quest. They will receive a Railjack Cephalon blueprint which must be built in their Foundry.
After receiving the Railjack Cephalon, the player will receive an inbox message from the Cephalon, who introduces himself as Cephalon Cy, requesting to be taken to a Dry Dock to be fully activated. The quest can then be initiated in the Codex.
===Install Cephalon Cy in the Dry Dock===
Players must head to a Dry Dock, which can be built in a Clan Dojo or visited in Tier 2 or 3 Relays (Saturn or Pluto).
Upon installing Cephalon Cy in the Dry Dock's central terminal, he will explain the importance of the Railjack in combating the Sentients.
===Recover the Railjack's Fuselage: Ares, Mars===
Enemy Level: 20 - 25
The player's first mission for Cephalon Cy is retrieving a derelict Railjack Fuselage on Mars, where it is guarded by a contingent of Grineer. Players must plant a scanning beacon on the wreckage, which will trigger a mission to defend the wreckage as Cephalon Cy scans it. A white circular radius will indicate the defense area, and players must stay within the area while preventing enemies from stepping within it. Scanning progress will halt if either of these conditions are not met.
During the scan a pair of Vomvalyst Interference Drones will show up at 90% scan progress. Scan progress will stall so long as the Drones are alive, even if they are not within the defense area, requiring that players kill them to resume.
Once the scan is complete, players can head to extraction to finish the mission, which will reward a Fuselage component. With the Fuselage component in hand, players must head back to either their Clan's or a Tier 2-3 Relay's Dry Dock to install the Fuselage, which will materialize the Railjack's incomplete main hull inside the Dry Dock.
===Repair the Railjack Fuselage in the Dry Dock===
In order to complete the repairs to the Fuselage, the player must collect various resources that can be found throughout the Origin System that will be used for the repairs. The following lists the resources needed to initiate repairs:
The Cubic Diodes are a resource that can be dropped by any Eximus units located on the Corpus Ice Planet Tileset, which primarily appears on Europa.
Players can deposit any of the required resources they have at hand on the central Dry Dock console similar to depositing resources for Clan Research. Once all the required resources have been deposited, Cephalon Cy will initiate repairs on the Fuselage, which will require 1 real-time minute to complete. This repair process cannot be rushed by the player.
===Recover the Railjack Propulsion System: Cervantes, Earth===
Enemy level: 25-35
After the Fuselage is complete, Cephalon Cy will send an inbox message directing them to a Propulsion System on another derelict Railjack, this time on Earth. Just as before, it is guarded by Grineer enemies. The player must scan the wreckage and defend it from incoming Grineer trying to interrupt the process. 
During the scan, two waves of Interference Drones will appear, one at 40% and the other at 60%.
Once the scan is complete, players can head to extraction to finish the mission and acquire the Propulsion component. It must be installed via Dry Dock to progress the quest.
===Repair the Railjack Propulsion System in the Dry Dock===
Once more, the player must collect various resources to repair the engine. The following resources are needed:
Carbides are a resource dropped by Eximus units located on the Grineer Shipyard Tileset, which primarily appears on Ceres.
===Recover the Port Nacelle: Plato, Lua===
Enemy level: 25-35
The next section of the Railjack can be found on Lua, where the wreck is now guarded by a contingent of Corpus. Interference Drones will appear at 30%, 60%, and 90% scan progress, and Sentient Conculysts and Battalysts can appear to interrupt the scan.
===Repair the Port Nacelle in the Dry Dock===
On acquiring the Port Nacelle, players must collect the following resources to repair it:
===Recover the Starboard Nacelle: Tessera, Venus===
Enemy level: 25-35
The other Railjack Nacelle is located on Venus, with defense conditions being similar to the previous recovery mission against Corpus and Sentient enemies. This time, more Interference Drones will appear per wave, with up to 4 drones appearing on the last wave at 90%.
===Repair the Starboard Nacelle in the Dry Dock===
The following resources are required to repair the Starboard Nacelle:
===Recover the Tail Section: Berehynia, Sedna===
Enemy level: 25-35
The Tail section is the next segment to be located, found on Sedna. A sizable Grineer presence now guards the ship alongside occasional Sentient units. Interference Drones now appear at 30%, 50%, and 80% scan progress in larger numbers, with up to 5 drones in the last wave.
===Repair the Tail Section in the Dry Dock===
The Tail section requires the following resources to repair:
===Recover the Engine Cowling: Orias, Europa===
Enemy Level: 25-35
The final Railjack section is located on Europa, where a large detachment of Corpus guards the Engine Cowling. Interference Drones will appear at 30%, 50%, and 80% progress, alongside the largest number of Sentient units to appear in the quest.
===Repair the Engine Cowling in the Dry Dock===
===Integration===
The Railjack will be completed upon finishing repairs on the Engine Cowling, at which point Cephalon Cy resolves himself to become the Railjack's Cephalon with the Tenno's permission. Players must interact with the central Dry Dock console and confirm Cephalon Cy's integration into the Railjack, which concludes the quest.
Players can enter the completed Railjack and inspect its interior. The Railjack will also appear above the Orbiter, and can be entered from there through its bottom deck, in the middle between the three rooms.
===Railjack Key Mission===
This section is technically not part of the Rising Tide quest itself, but is included here for the sake of brevity.
Upon boarding the completed Railjack, Cephalon Cy informs the Tenno that the ship is lacking a power source. Interacting with the Reliquary Drive in the second level midsection of the ship prompts "Investigate Coordinates On Lua?" This triggers a simple snatch-and-grab mission to collect a Void Key on Lua and extract, avoiding the Corrupted and Sentient enemies along the way.
With the Void Key recovered, the Tenno inserts it into the Reliquary Drive, making the Railjack fully operational. The object inside the Reliquary bumps on the glass, revealing what appears to be a giant finger; if the player has completed Chains of Harrow, they will see The Man in the Wall sitting on top of the drive waving, with their index finger missing. The player is now finally ready to embark on Empyrean missions through the Railjack's navigation console.
==Notes==
*A fully built Railjack can be purchased for from the Market. Obtaining the Railjack this way will completely bypass the quest and mark it as completed.
*Unlike the Vomvalysts found in the Plains of Eidolon, the Interference Drones will not enter their "energy form" and thus can be killed with normal weapons and abilities.
==Tips ==
==Patch History==
es:Ola creciente
fr:Marée Montante
Category:Update 26