Serro

The Serro is a Corpus polearm unlockable through Energy Lab Research in the dojo that deals damage.

Characteristics
Advantages:
 * Highest base damage of elemental damage melee weapons
 * Deals damage, good against Robotic and Machinery-type enemies
 * Electricity is a versatile element, and can create and  to fight the Grineer, and  to fight against the Corpus
 * Highest Status chance among two-handed melee weapons, tied with Jat Kittag, Lecta and Nami Solo
 * Long reach.
 * Large jump attack radius.
 * Has a polarity
 * Stance slot has polarity, matches Bleeding Willow stance.
 * Compared to the Amphis' slam attack.
 * Higher damage.
 * Longer range.

Disadvantages:
 * damage cannot be increased via ,  or  mods.
 * Low Critical Chance and Damage.
 * Slow base attack speed.

Trivia

 * The three blades on the weapon fold up when not in use, and also move when idle, making it one of the few melee weapons with a non-static model.
 * The weapon itself retracts when not in use.
 * This is the 5th melee weapon released to natively deal damage, and the third polearm weapon to be released after the Orthos and Orthos Prime.
 * The weapon's name is derived from the latin word serro, which means "I saw or cut into pieces" and is the origin of the word serrate.
 * The Serro first appeared in Update 13 in an accidentally leaked placeholder Codex entry, along with the Bo Prime and an unnamed pair of claws. On the mobile app the picture files for these weapons are named; CorpusPolearm, BoPrime, and TennoClaws respectively.