Is the OSRS Slayer cannon worth using, or will you spend cannonballs for only modest gains? If you want faster Slayer and Ranged experience, the dwarf multicannon is often a strong investment, especially on high-HP, multi-combat tasks such as kalphites, dagannoths, and bloodvelds. However, the roughly 756,715 GP purchase price is only the beginning. Cannonballs can quickly become your largest ongoing expense.
The best choice depends on your task list, gear, cannonball prices, and whether you value speed, profit, or convenience. A cannon can turn slow tasks into fast experience, but it is not always the best option. Bursting, barraging, melee, or other Ranged methods may be faster or more profitable for certain assignments.
Key Takeaways
- Use the OSRS Slayer cannon selectively on high-HP, multi-combat tasks such as dagannoths and kalphites to accelerate Slayer and Ranged XP, especially when faster completion matters more than maximum profit.
- Account for both the roughly 756,715 GP cannon cost and ongoing ammunition expense; firing continuously uses about 1,500 cannonballs per hour, potentially costing around 300,000 GP at 200 GP each.
- Compare cannoning with Ice Burst, Ice Barrage, a Venator bow, and melee before each task, since another method may deliver better XP, efficiency, or profit depending on the monsters and your gear.
- Avoid cannoning low-HP, low-profit, or inaccurate tasks where cannonballs add substantial expense without enough extra damage, loot, or time saved.
Introduction To OSRS Slayer Cannon
To decide whether an OSRS Slayer cannon is worth using, first consider what you want from each task. A dwarf multicannon can increase your Slayer and Ranged XP, especially against high-HP monsters in multi-combat areas where it can hit several enemies at once. However, the cannon costs hundreds of thousands of GP, and cannonballs add a steady expense that may exceed your loot. Your decision depends on cannonball prices, your gear, and how much you value shorter trips over maximum profit.
Tasks such as dagannoths and kalphites can be good cannon choices because you can attack groups of monsters and finish assignments faster. You may get better results from Ice Burst or Ice Barrage on suitable tasks, or you may prefer to save cannonballs for assignments where the extra damage has the greatest effect. If you want fast Slayer XP, the cannon is often worth the cost. If profit is your priority, use it only when the task loot can cover the ammunition expense. Treat the cannon as an XP and convenience tool, not something you need for every assignment.
Cannonball Costs And Slayer Math

A complete dwarf multicannon costs roughly 756,715 GP. That makes the initial purchase a serious investment, but it is a one-time cost because you keep the cannon. The ongoing expense comes from cannonballs. A cannon uses around 1,500 cannonballs per hour when it fires continuously, although your actual use depends on how often it fires and how long you spend fighting. At 200 GP per cannonball, that equals about 300,000 GP per hour. Check the current Grand Exchange price before setting your Slayer budget because ammunition prices can change quickly.
Many Duradel tasks use far less than a full hour of ammunition. For a typical task, roughly 750 to 1,500 cannonballs can be a practical estimate. At 200 GP each, that equals about 150,000 to 300,000 GP before you account for loot and other supplies. Dagannoths and kalphites can be effective cannon targets because multi-combat areas let the cannon hit several monsters and shorten the task. If faster kills help you gain more Slayer XP, Ranged XP, or loot per hour, the added cost may be worthwhile.
You usually get the best value by using the cannon selectively rather than firing it on every task. Compare the ammunition cost with the time saved, especially on profitable assignments or tasks where cannon damage speeds up kills without replacing a stronger training method. For low-profit tasks, single-target monsters, or assignments that are already quick with melee, saving your cannonballs may be the better choice. Whether an OSRS Slayer cannon is worth using depends on the current cannonball price, your task list, your gear, and whether you value maximum XP or maximum profit.
Dagannoths Kalphites And Cannon Tasks
Dagannoth tasks are one of the clearest examples of when an OSRS Slayer cannon is worth using. In a multi-combat area such as the Lighthouse or Waterbirth Island, the cannon can tag several dagannoths while you attack, giving you faster Slayer and Ranged XP than fighting them one at a time. Their hides, bones, and other drops can recover part of your cannonball cost, although your final profit depends on ammunition prices and how many shots you fire. If your main goal is faster levels rather than maximum GP per task, dagannoths usually make a strong case for using the cannon.
Kalphites can also be good cannon targets, but the value depends on your location and task setup. In the Kalphite Slayer Dungeon, you can place the cannon in a multi-combat area and lure kalphites into its range. This lets the cannon hit multiple targets while you use melee or Ranged attacks. Kalphite tasks often provide lower-value loot than dagannoth tasks, so cannonballs may reduce or eliminate your profit even when your Slayer XP per hour improves. Kalphites are more appealing when you prioritize task speed, while profit-focused players may save ammunition or use the cannon only on larger assignments.
Before starting either task, compare the expected XP gain with your ammunition budget and task length. A cannon that fires continuously can use more than a thousand cannonballs in an hour, so the shorter completion time must provide enough Slayer value to justify the expense. Check your cannonball supply, current market price, gear, and whether the task’s bones, hides, or other drops will cover part of the cost. For dagannoths, multi-target damage and useful loot often make cannoning worthwhile. Kalphites require a closer look at your priorities and expected profit.
Cannon Versus Burst And Melee

Cannoning is often worthwhile on high-HP, multi-combat tasks where the cannon can hit several monsters at once. Dagannoths are a strong example because the cannon can damage packed groups while you focus on positioning and collecting drops. Kalphites can also be good cannon targets when you want faster task completion and Slayer XP rather than maximum profit. Since the cannon can use more than a thousand cannonballs per hour, compare the cost with the extra XP and time saved before committing.
Ice Burst and Ice Barrage usually outperform cannoning when you can stack monsters tightly and have the required Magic level, runes, and gear. Ice Burst is especially effective on tasks such as dust devils and smoke devils, where freezing a large group lets you damage every target with repeated spells. A Venator bow can also compete on packed multi-target tasks by providing strong Ranged damage without cannonball costs, although its gear and ammunition still affect your profit. If bursting or barraging gives you faster kills, cannoning may add expense without improving your overall results.
Melee remains the better choice when a task has valuable drops, low incoming damage, or monsters that die quickly without area damage. It can be more profitable when cannonballs cost more than the extra loot and XP are worth. Use the cannon when you want fast Ranged and Slayer XP on crowded, high-HP tasks, but save it for assignments that justify the ammunition cost. Cannoning favors speed, bursting favors tightly stacked monsters, and melee often favors profit.
When Cannoning Hurts Slayer Profit
Cannoning can reduce your Slayer profit when a task has low-value or low-HP monsters that die before the cannon fires many useful shots. For example, using cannonballs on kalphites can speed up kills, but low-level kalphites may provide too little loot to cover the ammunition cost, especially when cannonball prices are high. The same problem affects monsters with small health pools because your melee or Ranged weapon may defeat them before the cannon deals much damage. If profit matters more to you than Slayer or Ranged XP, use a cheaper combat method and save cannonballs for better targets.
Accuracy also matters. A cannon that misses often can make a task expensive without providing much extra experience. Poor cannon accuracy, crowded areas, or monsters moving out of firing range can make some kalphite assignments less appealing. High-HP, multi-combat tasks such as dagannoths usually give the cannon more time to repay its cost through faster kills and XP. Check your cannonball cost, expected kills per hour, and average loot before starting a long task. Skip cannoning when the profit is weak, or use the cannon only when faster Slayer progress is your main goal.
Conclusion On OSRS Cannon Value

The OSRS Slayer cannon is usually worth using when you want faster Slayer and Ranged XP on suitable multi-combat tasks. Dagannoths and kalphites are strong examples because the cannon can hit several nearby monsters while you focus on positioning and collecting loot. However, every shot uses a cannonball, so faster kills do not always mean higher profit. If cannonball costs are high or the task drops little valuable loot, your supplies may reduce or erase your earnings. The cannon is also not the best choice for every assignment because bursting, barraging, using a Venator bow, or training with melee may be more effective in some situations.
Before placing your cannon, decide what matters most for the task. If you want fast XP and can afford the ammunition, cannoning a long multi-combat assignment can save significant time and improve your Slayer progress. If you are focused on profit, compare the expected loot with your cannonball use and consider whether a slower method offers better returns. Your gear, location, task length, and cannonball price all affect the result. As a practical rule, compare expected XP gains, ammunition costs, task loot, and alternative methods before placing the cannon.
When an OSRS Slayer Cannon Pays Off
An OSRS Slayer cannon is worth using when your priority is faster Slayer and Ranged experience rather than maximum profit. Tasks such as dagannoths and kalphites can become much quicker in multi-combat areas, but firing more than a thousand cannonballs per hour can make ammunition costs add up quickly. Check the cannonball price, your expected kills per hour, and the task’s drops before deciding whether the extra experience justifies the expense. For some monsters, Ice Burst or Ice Barrage, melee, or a Venator bow may provide better experience or profit.
The best approach is to use your cannon selectively instead of bringing it on every task. It is especially useful for high-HP, cannonable tasks where faster kills save meaningful time, while low-profit tasks may be better completed with cheaper gear or another combat method. If you want to protect your Slayer progress, learn about the risks of sharing your account or using third-party account services before trusting anyone with your login details. You can then pursue faster Slayer levels while keeping your account and hard-earned rewards secure.

