Tetsu sword upgrade kit
Tetsu sword upgrade kit is a members item. At least 9 monsters drop it. The easiest is Sea crocodile (level 77, 1/8,000); the best rate is Seiryu the Azure Serpent (level 10,000), at 1/1,000, about one every 1,000 kills.
“This will allow you to upgrade a tetsu katana or wakazashi to a tier 88 weapon.”
MembersTradeable (not for Ironmen)
Updated . Sources from the RuneScape Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.
Ironman verdict
Other sources include Lucky Charm (Temple of Aminishi). 2 recipes use Tetsu sword upgrade kit, including Elite tetsu katana and Elite tetsu wakizashi. Tetsu sword upgrade kit is members-only. It is tradeable on normal accounts, but an Ironman cannot use the Grand Exchange or trade for it, so the sources on this page are the whole list.
At a glance
- Members
- Yes
- Tradeable
- Yes, but not for Ironmen
- Monster drops
- 9
- Shops
- None
- Recipes
- None
- Used in
- 2 recipes
Monster drops
| Dropped by | Level | Quantity | Rarity |
|---|---|---|---|
| Seiryu the Azure Serpent | 10000 | 1 | 1/1,000 |
| The Sanctum Guardian | 850 | 1 | 1/1,000 |
| Masuta the Ascended | 1000 | 1 | 1/1,000 |
| Jade the Unruly | 111 | 1 | 1/1,000 |
| Sarkhan the Serpentspeaker | 111 | 1 | 1/1,000 |
| Xiang the Water-shaper | 111 | 1 | 1/1,000 |
| Sea crocodileEasiest | 77 | 1 | 1/8,000 |
| Horrific crassian | 93 | 1 | 1/1,000 |
| Menaphite guard captain | 101 | 1 | 1/1,000 |
Best rates first, plus the lowest-level monsters that drop it. Every monster links to its full drop table in the bestiary.
Other sources
Minigames, reward chests, clues, skilling and other non-combat sources.
What you make with Tetsu sword upgrade kit
Related items
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