Does cull stack?
you never get to stack the 2nd cull you buy.
Cull's base stats are 54. 44% gold efficient. Cull's gold efficiency is further increased by 0. 22% for every minion you kill up to a maximum of 76.
Cull is a starter item in League of Legends and is similar in nature to the Doran's Blade. It gives you damage and some lifesteal, though it is not substantial. By the time you have around 100 damage, any other starter item will outclass Cull in terms of damage and lifesteal.
So where does Cull come into play? Cull is not an efficient item in terms of base stats. But it can create windows of opportunity where Doran's Blade and Doran's Shield cannot. It provides sustain levels somewhere between Doran's Blade and Doran's Shield.
UNIQUE - Reap: Killing a minion grants Gold +1, up to a maximum of Gold +100. After having killed 100 minions, grants an additional Gold +350 and permanently disables this passive.
Comparison to Doran's Blade
Cull gives you 7 attack damage and restores a flat 3 health on hit. Doran's Blade gives 80 health, 8 attack damage, and grants 3% life steal on hit. Cull's flat health restore is good for early laning phase when you don't do much damage.
League of Legends (LoL) Item: Cull
UNIQUE Passive: Killing a minion grants 1 Gold, up to a maximum of 100 Gold. After having killed 100 minions, grants an additional 350 Gold and permanently disables this passive.
Seat of Command or Imperial Mandate is the most gold efficient mythic Item in the game as per base efficiency that doesn't count in all the factors out there. At 160% gold efficiency, this 2500 gold item comes out at a theoretical value of 4000 gold, an astonishing amount.
League of Legends Kindlegem is a Epic item that costs 400 Gold. This item is gold efficient based on its 10 Ability Haste, 200 Health Stats.
Gold efficiency is calculated as the ratio of the item's theoretical gold value to its actual in-game price. The formula for the gold efficiency of an item (as a percentage) is: Gold value is the value of the items' stats based on "reference items", the cheapest items that provide a given stat.
How much gold do you start with in league?
At the start of the game, every champion starts with 500 gold. The items you buy here depend on your role and your champion, but most champions will either grab a Doran's item, jungle item, or support item, along with a couple potions.