Grandmaster's Siege Hammer is a Tier 7 tools item in Albion Online, a craftable item.
Right now, the cheapest price is in Lymhurst, at 111,999 silver, and the most expensive is in Fort Sterling, at 181,990 silver, roughly a 62.5% spread wide enough that hauling it between cities can pay off.
It sells roughly 68 units/day combined across cities, a genuinely active, liquid market.
There isn't enough live Black Market sell volume right now to say confidently whether crafting it pays off.
Its recipe calls for 8× Ashenbark Planks and 8× Basalt Block.
Data age is shown per row. Prices are live and change continuously.
| City | Sell order | Buy order | Daily vol | Age |
|---|---|---|---|---|
| Lymhurst | 111,999 | — | 34 | 29h |
| Martlock | 118,985 | — | — | 11h |
| Thetford | 129,977 | — | — | 6h |
| Caerleon | 132,000 | — | — | 29h |
| Bridgewatch | 177,971 | — | — | 7h |
| Fort Sterling | 181,990 | 70,074 | 34 | 20h |
Not enough trade volume for this item — a realistic craft profit can't be shown (no live Black Market sell order and/or too little volume).