Cobalt:
The Spear in cobalt is a breakable melee weapons that can be found virtually anywhere in the campaign.
Usually seen wielded by Deathshrooms, Trappers, and some rarer cases, Metaldroids.
Can be found in most equipment shops in survival mode, and classic survival.
The weapon does around 53 damage, and roughly double from behind, which can easily kill an Explorer metalface.
This weapon has 1500 HP of usage, making it a relatively durable weapon., that could last you a long time.
(This weapon has a hybrid of damage and knockback, making it a viable choice in long term usage, especially in Story Mode.
WASD:
The Spear in WASD is a Protobot exclusive melee weapon that costs 5 volts.
This weapons states that it does 39 damage in the UI, but a player can expect to inflict up to 200+ damage depending on the are hit. (39-50 from basic hit, 59-177 on head, 117-135 on back, and 161-274 on eye.)
Due to the length of this weapon, it can hit enemies for farther away around 2.4m, with the negative of slow drawback, similar to the Scimitar.
Like all melee weapons, they give a kill reward of 500%.