3rd Slot
Weapon Slots
- Quest requirement
- Complete 25 Quests
- Shop cost
- 50 Silver
- Result
- Maximum capacity rises from 2 to 3 weapons
Quick Answer
Megabonk starts you with two weapon slots. Complete 25 Quests, then buy Weapon Slots for 50 Silver to get slot 3. Complete 45 Quests, then buy Weapon Slots 2 for 125 Silver to get slot 4.
The Quest milestone does not add the slot immediately. It only makes the matching Shop Upgrade available.
Weapon Slot Requirements
4th Slot
Weapon Slots 2
- Quest requirement
- Complete 45 Quests
- Shop cost
- 125 Silver
- Result
- Maximum capacity rises from 3 to 4 weapons
Two separate checks: meet the lifetime Quest requirement, then return to the Shop and spend Silver. Save enough Silver before each milestone if you want the new slot immediately.
How to Get the 3rd and 4th Weapon Slots
- Complete 25 Quests.
Quest progress is cumulative across runs. Reaching 25 unlocks the Shop entry named Weapon Slots. - Buy Weapon Slots for 50 Silver.
The purchase permanently raises maximum weapon capacity to three on that save. - Continue to 45 completed Quests.
The later milestone unlocks the separate Weapon Slots 2 Shop Upgrade. - Buy Weapon Slots 2 for 125 Silver.
After the purchase, future runs can carry as many as four weapons.
What Counts Toward the Quest Requirement?
Lifetime Quest progress
The game counts completed Quests across runs. You do not need to finish 25 or 45 objectives in one run.
Not an unlock count
Buying characters, weapons, Items or Tomes does not raise this milestone. Purchase count is used by a different upgrade: Toggler.
Not weapon discoveries
Unlocking an individual weapon adds it to the content pool. It does not increase how many weapons one run can hold.
Purchase still required
When the achievement appears, check the Shop. The extra slot becomes active only after its permanent upgrade is purchased.
Should You Always Use All Four Slots?
| Capacity | Main advantage | Main tradeoff | Best fit |
|---|---|---|---|
| 2 weapons | Levels concentrate into a small core quickly. | Less coverage and fewer synergies. | Focused challenge or one-carry setups. |
| 3 weapons | Good balance of coverage and focus. | A third weapon competes for level-up choices. | Most builds after the first upgrade. |
| 4 weapons | Maximum coverage and synergy potential. | Upgrades may spread across more weapons. | Developed builds with clear weapon roles. |
Capacity is optional: buying an extra slot does not force you to fill it. If another weapon would dilute upgrades needed by your main damage source, leave the slot open until the right choice appears.
Weapon Slot Troubleshooting
Achievement unlocked, slot missing
Return to the Shop and buy the matching upgrade. Completing the milestone alone is not the purchase.
Upgrade not in the Shop
Confirm your completed Quest total is 25 or 45. Unlock purchases are a different counter.
Fourth slot still locked
Weapon Slots 2 is separate. The third slot does not bypass the 45-Quest requirement or 125-Silver cost.
Tome capacity unchanged
Expected behavior. Tome slots use separate milestones at 35 and 55 completed Quests.
Cannot equip another weapon
Check that the permanent upgrade was purchased and the current run has not reached its active capacity.
Want fewer weapons
The upgrade only raises the maximum. You can stop accepting new weapons at any point.
Weapon Slots vs Tome Slots
| Milestone | Completed Quests | What it affects |
|---|---|---|
| Weapon Slots | 25 | Unlocks the third weapon capacity upgrade. |
| Tome Slots | 35 | Unlocks the third Tome capacity upgrade. |
| Weapon Slots 2 | 45 | Unlocks the fourth weapon capacity upgrade. |
| Tome Slots 2 | 55 | Unlocks the fourth Tome capacity upgrade. |
Weapon Slots FAQ
How many weapon slots do you start with?
You begin with two. Permanent Shop Upgrades raise the maximum to three and then four.
How do I get the fourth weapon slot?
Complete 45 Quests, then buy Weapon Slots 2 from the Shop for 125 Silver.
Why did completing 25 Quests not give me a slot?
The milestone unlocks Weapon Slots in the Shop. Buy that upgrade for 50 Silver to activate the third slot.
Are four weapon slots always better?
They provide more capacity, but a build does not have to fill every slot. Fewer weapons can concentrate level-up choices into a smaller core.
Does Toggler unlock more weapon slots?
No. Toggler controls eligible reward-pool entries. It does not change capacity. See the Toggler guide.