Arkenelle

Poison Sword

Weapon

Steeped in the sewers under the Capital. The rot never quite washes off.

What it is

A Sword weapon. Equip it from your bag; kills made while wielding it train your Sword Mastery, and your Sword Mastery decides which of its abilities you can use.

You need Sword Mastery 15 to equip it.

Tradeable with other players.

How to get it

The Sovereign Below gives it on turn-in if you hand it in holding a weapon of this style. It drops from The Bloated Sovereign (2.0%).

What it's for

Break it down from your bag into 12–18 Venom Sac. While equipped it gives +25 Attack Damage.

MasterySword
Attack Damage+25
Requires masterySword 15
TradeableYes
StackUp to 10

Breaking it down

Choose Break Down on it in your bag (no station needed). Each one gives Venom Sac ×12–18. Requires Herblore 20 and pays 47 Herblore XP each.

Sources