From Brotato Wiki
Secondary Stats
Secondary Stats are a miscellaneous list of minor stats that you can keep track off by clicking the Secondary Stats tab in your stats menu. See the picture below.
Some of the secondary stats are rarely used like for example Enemy Speed, which is mostly just for the 
Snail item and some characters. While on the other hand Consumable Healing is a critical stat for many builds. Similarly Ranged Builds often rely on getting Piercing.
Secondary generally applies to Structures, unlike the primary stats. With the exception of Engineering. This means that Structures can benefit from you having knockback, Explosive Damage, or piercing. Just to name a few.
Secondary Stats Tab
Table of Secondary Stats
| Stat | Description | Related Item Tags | Notable Items |
|---|---|---|---|
| Consumable Heal | Increases or decreases the healing done by consumables. | Consumable (Item Tag) |  Alien Worm,  Jerky,  Lemonade,  Weird Food
|
| % Materials Healing | Chance of being healed by 1 when picking up Materials. Currently only used by Cute Monkey. | Pickup |  Cute Monkey
|
| % XP Gain | Increases or decreases all forms of Experience you earn. | XP Gain |  Bean Teacher,  Black Belt,  Celery Tea,  Diploma,  Feather,  Peacock,  Scar
|
| % Pickup Range | Increases or decreases the range at which you pick up materials and consumables. | Pickup |  Alien Tongue,  Cauldron,  Gnome,  Little Frog,
|
| % Items Price | Increases or decreases Shop Prices. | Economy |  Coupon
|
| % Explosion Damage | Increases or decreases the damage of Explosions | Explosive (Item Tag) |  Dynamite,  Explosive Shells,  Honey
|
| % Explosion Size | Increases or decreases the size of Explosions | Economy | Explosive Shells, Honey,  Plastic Explosive
|
| Bounces | Gives projectiles additional Bounces | Ranged Damage |  Ricochet
|
| Piercing | Gives projectiles additional Piercing | Ranged Damage |  Bandana,  Sharp Bullet
|
| % Piercing Damage | Increases or decreases the piercing damage falloff for projectile weapons. | Ranged Damage |  Pumpkin, Sharp Bullet
|
| % Damage against Bosses | Multiplies the damage you do against Bosses and Elites. | Damage |  Silver Bullet
|
| % Structure Attack Speed | Increases or decreases the rate of turrets attacking, Landmines spawning, and Gardens spawning Consumables. | Structure (Item Tag) |  Clockwork Wasp, Improved Tools
|
| Structure Range | Increases or decreases the range of Structures. | None | Only available on  Builder
|
| % Burning Speed | Increases or decreases the rate of which Burn ticks for damage. | Elemental Damage |  Eyes Surgery,  Frozen Heart
|
| Burning Spread | Increases the amount of times Burn spreads. | Elemental Damage |  Snake
|
| Knockback | Increases or decreases the distance enemies are knockbacked back when hit. | Knockback |  Ball and Chain,  Banner,  Coil, Black Belt,  Boxing Glove
|
| % Double Material Chance | Increases the chance of gaining double materials when picking up Materials | Economy, Pickup |  Metal Detector
|
| Free Rerolls | Provides an amount of free reroll at the beginning of each Shop | Economy |  Dangerous Bunny
|
| Trees | Increases the amount of Trees that spawn. See the Wiki page for details. | Exploration |  Tree
|
| % Enemies | Increases or decreases the amount of Enemies that spawn during waves. | More Enemies, Less Enemies |  Black Flag,  Candle,  Gentle Alien,  Mouse,  White Flag
|
| % Enemy Speed | Increases or decreases the speed of Enemies that spawn during waves. | Less Enemy Speed | Snail
|
| % Reroll Price | Increases or decreases the price of rerolling in the [[Shop}]] and when choosing Upgrades | None |  Spyglass
|