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The Giant Sea Snake is encountered at the end of the Royal Trouble quest. It is not as strong as its combat level suggests, but an antipoison potion, preferably super, is vital, as the snake is poisonous with damage that starts at 9. It fights with melee up close and ranged from a distance, but it cannot detect the use of prayers. Like its offspring, it is vulnerable to Magic. It drops the heavy box which is needed to finish the quest, and it can only be fought once.

Level 40 Slayer is required to kill this creature.

The best way to defeat the snake is to attack it up close with magic to exploit its weakness. This way, it will not use its ranged attack, so players can freely use Protect from Melee to reduce the majority of the damage. Other factors such as what food to bring and what armour and weapon to use are left to the player's decision. It is recommended to bring at least lobsters or swordfish. A dwarf multicannon can be setup in this area.

Drops[]

100%[]

Item Quantity Rarity GE market price
Big bones Big bones 1 Always 262
Heavy box Heavy box 1 Always Not sold

Seeds[]

Item Quantity Rarity GE market price
Watermelon seed Watermelon seed 1 Uncommon 71
Poison ivy seed Poison ivy seed 1 Uncommon 18
Guam seed Guam seed 1 Uncommon 9
Marrentill seed Marrentill seed 1 Uncommon 5
Tarromin seed Tarromin seed 1 Uncommon 10
Harralander seed Harralander seed 1 Uncommon 31
Toadflax seed Toadflax seed 1 Uncommon 795
Ranarr seed Ranarr seed 1 Uncommon 45,466
Irit seed Irit seed 1 Uncommon 47
Avantoe seed Avantoe seed 1 Uncommon 1,675
Kwuarm seed Kwuarm seed 1 Uncommon 379
Snapdragon seed Snapdragon seed 1 Uncommon 54,551
Cadantine seed Cadantine seed 1 Uncommon 1,034
Lantadyme seed Lantadyme seed 1 Uncommon 2,358
Dwarf weed seed Dwarf weed seed 1 Uncommon 423
Torstol seed Torstol seed 1 Very rare 58,385

Other[]

Item Quantity Rarity GE market price
Coins 25 Coins 23; 32; 44 Uncommon Not sold
Adamant dart tip Adamant dart tip 2 Uncommon 394
Pearl bolt tips Pearl bolt tips 3 Uncommon 120
Broad arrow Broad arrow 4 Uncommon Not sold
Water orb Water orb 1 Uncommon 1,309
Water rune Water rune 15 Uncommon 60
Mist rune Mist rune 1 Uncommon 162
Fishing bait Fishing bait 50 Uncommon 200
Raw bass Raw bass 2 Uncommon 914
Raw lobster Raw lobster 1 Rare 210
Casket Casket 1 Rare 731
Clue scroll (medium) Clue scroll (medium) 1 Rare Not sold
Long bone Long bone 1 Rare (1/400) Not sold
Curved bone Curved bone 1 Very rare (1/5,000) Not sold


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