- The Zenistar is exclusive to the Daily Tribute system. It will become available every 200 days, beginning at day 100, until chosen as the Milestone reward. It comes with a free weapon slot and pre-installed Orokin Catalyst.
- With Update 18.0 (which introduced the Daily Tribute system) releasing on December 3, 2015, this weapon first became available on September 26, 2016.
- Innate Heat damage – effective against Cloned Flesh, Infested, and Infested Flesh.
- High Impact damage – effective against shields.
- Second highest status chance of all heavy blades, behind Gram Prime.
- Heavy Attack releases a floating disc that deals Impact on contact and then releases a Heat explosion. The disc stays in place and radiates a damaging Heat aura with a base duration of 10 seconds and scales with Combo Multiplier.
- Stance slot has a polarity, matches Rending Crane.
- Innate polarity.
- Innate Heat damage – less effective against Proto Shields.
- No Puncture – less effective against armor.
- Damage cannot be increased with Puncture mods.
- Low critical chance.
- Second slowest attack speed of all heavy blades, after Gram Prime.
- It is advised not to dispose of the Zenistar as there is no way to reobtain it.
- Performing a heavy attack with the Zenistar equipped launches the disc a distance of 9 meters in the direction of the reticle. Whilst the disc is a projectile, it will deal 75 Impact damage on contact and 350 Heat damage when it explodes. Once it lands, it projects an aura with a 4 meter radius, dealing 50 Heat damage with 50% status chance every 0.8 seconds.
- The disc has a base duration of 10 seconds, which scales with the player's Combo Multiplier.
- The disc can be retrieved prematurely by performing another heavy attack, or getting far enough away from where it is planted (around 100 meters away).
- Launching or retrieving the disc will alert nearby enemies, though the radius is very small (around 10 meters).
- When launching the disc into water, the disc will not bounce and stops immediately.
- Regardless of the rotational position of the disc, the flames will always be horizontal.
- Elemental mods will affect the disc's damage as normal, creating combination elements such as Blast or Radiation. Heat damage is added last unless a Heat mod is added.
- Mods/abilities/etc. that will work with the disc:
- The disc's radius is affected by (Primed) Reach and Riven Mod Range Stats.
- Status chance of the aura is affected by status mods.
- The attack speed of the disc's aura is affected by bonuses such as (Primed) Fury, Arcane Strike, Warcry and Speed.
- Despite the disc's ability to trigger Berserker, its attack speed is not affected by Berserker, only the handle can benefit from it.
- The disc will apply the damage multiplier from Stealth Attacks.
- Kills done by the disc will add time to Valkyr's Eternal War augment.
- Damage buffs such as Rhino's Roar will only affect the disc's damage for as long as the buff is active.
- As with almost all projectiles, the disc will be attracted to Mag's Magnetize if the disc makes contact with the bubble at any time after which it has been launched. The disc will then proceed to circle around the inside of the bubble's circumference until either Magnetize expires or the disc expires (whichever comes first), affecting enemies radially as the disc moves. It is currently unknown whether this is by design or an unintentional bug, and may only be seen visually by the casting Mag user.
- The disc's aura effect will damage Nullifier Crewman bubbles.
- Ivara's Navigator fully works with the disc, though due to it bouncing off objects it may be difficult to control in some areas.
- Condition Overload does affect the disc's damage output.
- Mirage's Hall of Mirrors holograms will throw up to 4 additional discs that will expire, should the ability end before the main disk expires.
- Blood Rush and the Gladiator mod set buff will affect the disk's aura.
- Both Sacrificial Steel and True Steel's extra critical chance on heavy attack will affect the aura.
- Mods/abilities/etc. that won't work with the disc:
- Life Strike will only heal the player while the heavy attack animation is playing when retrieving the disk.
- Recurring damage via the disc's aura is unable to proc Healing Return.
- The disc will not count hits towards the combo meter and the disc's damage does not benefit from combo damage multiplier.
- The disc will not add time to allies affected by Valkyr's Eternal War augment, however the blade itself will.
- The initial 9 meter launch distance will not be affected by Jet Stream.
- Channeling effects only work on the axe attacks, not the disc's aura. Enemies killed by the aura while channeling will still float and disintegrate into the air, however.
- Beguiling Lantern bonus melee damage does not affect Zenistar's disc.
- Killing Blow does not affect the damage of the disk's aura, however it does increase the damage on contact and explosion of the disk.
- The Zenistar's name likely stems from zenith, whereas its design is inspired by a sundial.
- The Zenistar is the first weapon in Warframe that changes its damage distribution: in this case heat is replaced by physical damage of the same amount when the disc is discharged from the weapon. This allows the weapon to be made for pure elemental builds (with the disc on) or have the ability to deal physical damage (like heavy slash procs) with the disc ejected.
- The console version of the Zenistar had different stats upon release, being identical to those of the Scindo Prime's (with innate Heat damage instead of physical damage), but couldn't launch its disc, similar to how the Azima couldn't launch its magazine when it was released on consoles.
- Despite being a heavy blade, the Zenistar is held like a hammer by the Warframe.
- Sometimes the disc stays inside the Zenistar even when the disc has launched. This is only a visual bug and does not affect the weapon in any case.
- Enemies who are dealt bonus stealth damage when in Undertow or Cloud Walker may continue to receive this bonus damage even when leaving the ability. This is especially true when it is built for blast damage, for whatever reason.
- Sometimes attempting to throw the disc will result in the disc not being ejected from the handle. Swapping to a different weapon and then swapping back might fix the issue.
- When the Dominion Blade Skin is equipped on the Zenistar, the blade will appear to be extremely large. While this was unintentional, the developers have stated that they like it, so it is unlikely to change.
Last updated: Update 26.0
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