Tier IV item · Base game
Robot Arm
Robot Arm is a Tier IV item in Brotato 1.1.15.4 (Base game). Effects: +3 Melee Damage at the end of a wave. +3 Engineering at the end of a wave. -1 Max HP at the end of a wave. It has a base price of 100 materials: 111 in the wave 1 shop and 320 by wave 20. There is no limit on how many you can hold.
This section as JSON: /raw/items.json
Quick answers (3)
- What does Robot Arm do in Brotato?
- +3 Melee Damage at the end of a wave. +3 Engineering at the end of a wave. -1 Max HP at the end of a wave.
- How much does Robot Arm cost?
- Base price 100; in the shop 111 at wave 1, 210 at wave 10 and 320 at wave 20 (before price modifiers).
- How do you unlock Robot Arm?
- It is unlocked by the challenge “Engineer” (Win a run with Engineer).
Effects
- +3 Melee Damage at the end of a wave
- +3 Engineering at the end of a wave
- -1 Max HP at the end of a wave
As the game prints them in the shop, for a character with no other stats.
Base price
100
Limit
None
- Tier
- Tier IV
- In the shop
- Yes
- Unlock
- Engineer
- Game ID
item_robot_arm
Tags (what characters' shop preferences look for)
Melee DamageEngineering
Price by wave
| Wave | 1 | 5 | 10 | 15 | 20 |
|---|---|---|---|---|---|
| Shop price | 111 | 155 | 210 | 265 | 320 |
| Recycle for | 27 | 38 | 52 | 66 | 80 |
How this is worked out
Shop price = (base + wave + base × wave × 0.1), rounded down, before price modifiers (an items-price stat changes it by its percentage). Recycling returns 25% of that. From the game's ItemService.get_value and get_recycling_value.