# Other

There are other resources too that help players upgrade their assets - Heroes, Weapons and Armor.

They can be obtained by winning Silver Tesseracts. The drop rate depends on the number of Heroes in your squad. 

Gear wheel can be obtained by Common Heroes. Wrench by Epic Heroes. And Experience card by Legendary Heroes.

| Name                                                                                                                                                                                                                                                  | Can be used for |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- |
| ![](https://177431363-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwHULCJuMPPrY1OSrWcqB%2Fuploads%2FePSOwqi2N0nYS4lKwHUs%2FGear_wheel_cafjnf1.png?alt=media\&token=08c9094a-c58c-4b29-b633-46c7e2989985)Gear wheel             | Weapon upgrade  |
| ![](https://177431363-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwHULCJuMPPrY1OSrWcqB%2Fuploads%2FB5EFMSSJviPUEhv9MFr5%2FWrench_hf5cnm1.png?alt=media\&token=2c06be5f-bcff-4d89-9a1e-1efe32c46da9)Wrench                     | Armor upgrade   |
| ![](https://177431363-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwHULCJuMPPrY1OSrWcqB%2Fuploads%2Fs1e50QnSabuT7LynjXal%2FFlash_memory_card_t0tqg01.png?alt=media\&token=81d2068e-61ad-4832-86fd-5f99a95fda93)Experience card | Hero upgrade    |