Pet Food Guide (Rev. 6)

When looking to spend your precious Gold on pet food, you want the most efficient pet food possible. So, we need to find what is the most efficient at each pet rank, since the cost of feeding pets increases with each rank. The most efficient food in a particular ratio is, therefore, the most powerful and expensive since the ratios lower much more slowly.

Let’s take a look at 3 items:
10x: Soft Drink (150/15)
6.5x: Chocolate Cream Sandwich Cookie (1300/200)
5x: Ambrosia (5000/1000)

Soft Drink:
Ah yes. An absurdly high FP/Gold ratio, and so cheap too! Or is it? People sometimes forget to factor in the cost of feeding.

Pet Rank Item cost + Feed Cost Adjusted Ratio (FP/Total)
Common 15 + 5 150 / 20 (7.5x)
Uncommon 15 + 10 150 / 25 (6x)
Rare 15 + 30 150 / 45 (3.33x)
Legendary 15 + 60 150 / 75 (2x)
Divine 15 + 150 150 / 165 (0.91x)

The adjusted ratios are, at best, mediocre, and thanks to the increasing cost of feeding pets, it lowers sharply with every level. In other words, this food item is (predictably) the worst one, assuming you don’t have hundreds of thousands of fame to spend.

Chocolate Cream Sandwich Cookie:
The next candidate for an efficient food item is the Oreo! No, not that one. Let’s see where this food item works.

Pet Rank Item cost + Feed Cost Adjusted Ratio (FP/Total)
Common 200 + 5 1300 / 205 (6.34x)
Uncommon 200 + 10 1300 / 260 (6.19x)
Rare 200 + 30 1300 / 240 (5.42x)
Legendary 200 + 60 1300 / 260 (5x)
Divine 200 + 150 1300 / 350 (3.71x)

It maintains its high feed ratio through Common and Uncommon, being stronger than even base-level Ambrosia. It maintains this edge through Rare. It’s still a decent choice up through Legendary if you’re not buying Ambrosia (since the cookie itself is a lot cheaper), though it comes at the cost of a little efficiency compared to Ambrosia. Once you hit Divine, though, it’s too inefficient to bother with.

Ambrosia:
With a whopping 5000 feed power and 5x base ratio, it is efficient at all levels and maintains efficiency well. Ambrosia was, for a long time, the largest FP item, and is still a good item.

Pet Rank Item cost + Feed Cost Adjusted Ratio (FP/Total)
Common 1000 + 5 5000 / 1005 (4.98x)
Uncommon 1000 + 10 5000 / 1010 (4.95x)
Rare 1000 + 30 5000 / 1030 (4.85x)
Legendary 1000 + 60 5000 / 1060 (4.72x)
Divine 1000 + 150 5000 / 1150 (4.35x)

As you see, cookies are more efficient until Divine.