Caustacyst

The  is an Infested Scythe available through clan research. Aside from dealing damage, its Charge Attacks create a trail of sludge that damages and staggers enemies who walk into it.

Characteristics
This weapon deals damage.

Advantages:
 * Highest damage of all Scythe weapons, tied with the Reaper Prime.
 * Innate damage – effective against Ferrite Armor and Fossilized Infested.
 * also allows for additional elementals that would use or  in their combination.
 * Charge attacks throws a toxic stream of acid that covers surfaces and lingers for a while.
 * This attack deals damage, status, and critical hits to any enemy who lingers in the toxic pools.
 * Enemies stunned by these pools do not have their alert status changed; enemies can be damaged by the pools and still be killed for stealth kills as long as their stun animation is still playing.
 * This allows players to launch a pool, then launch up to 3 more charge attacks before the enemy can become alerted.
 * High status chance.
 * Comes with a polarity.
 * stance polarity matches Stalking Fan.

Disadvantages:
 * damage is reduced against Proto Shields.
 * Low critical chance.

Tips

 * The Caustacyst is an excellent weapon against the Grineer, allowing for and  to be used at the same time, as well as additional  to attack their health or  for extra stunning capabilities.
 * Alternatively, it can be paired with for bonus damage against Alloy Armor, pairing with 's innate armor-peeling to allow for more general use against Grineer enemies.

Trivia

 * This is the first melee weapon with innate  damage.