Assassin Leveling Best Pets: What to Buy at Each Stage

The best pets to buy in Assassin Leveling depend on your progression stage, because the game gates pets and pet-adjacent upgrades behind price ladders that climb from double digits into the billions — and it states a boost number for only one pet. The short version: your first purchase target is a Frog at 25, the only pet the shop offers at the start, and buying repeats. At the next gates, the 100-cost Zap grants a shock effect, while the 250 purchase is a modest step up. Along the way, claim and hatch every egg quests reward you with — a normal egg can hatch a Rice Ball with a stated 5% health boost. Once prices reach the millions, save for the 10M → 75M → 500M → 3B ladder and stop relying on normal eggs. And if you're chasing speed rather than strength or damage, the game offers an explicit speed option that visibly makes you faster.

Everything here stays inside what one recorded noob-to-pro run verifies: prices, purchase routes, one stated boost magnitude, and a few named effects. That is enough to decide what to buy at your stage — and honest about what it can't rank.

How pets are compared

Three things the game itself shows drive every recommendation on this page:

• Price gate. Verified gates run 25 → 100 → 250 → 10 million → 75 million → 500 million → 3 billion. The run's captions never name the currency, so prices are quoted as raw numbers.
• Source. Pets come from repeatable shop purchases or from eggs, and quest rewards include eggs — so hatching is a second, parallel route to buying. (The pet hatching guide covers the hatching side in detail.)
• Stated or displayed effect. A shock effect on Zap, the 5% health on a Rice Ball, an explicit speed option, and a power readout that jumps when you equip something new.

The game also runs a "keep best" tracker that holds your best value across rebirths — more on why that matters below.

What to buy at each stage

One category note: the shop sells pets alongside auras and other gear, and beyond the entry Frogs the run's captions don't confirm which gated items are pets. The gates, prices and displayed effects above are what's verified — still enough to plan each purchase as you reach it.

Boosts and rarity: what the game verifies

Here is every boost and rarity signal the footage checks out. Hatching a normal egg can produce a Rice Ball whose stated boost is 5% health — the only complete boost magnitude anywhere in the run. The 100-cost Zap grants a shock effect with no number attached, and Frog's own boost is never stated. A speed option exists as a deliberate choice — "If you want speed, it's speed" — and the player is visibly faster right after taking it.

Rarity is thinner still: a single vague line about maybe buying "a common one" is the only mention, so no pet here carries a verified rarity tier. The dependable comparison is the one the game performs for you — equip the purchase and read the power change. The run reads a clear increase immediately after equipping at the 100–250 tier, and that readout is the practical tie-breaker that the missing stat numbers can't provide.

When to replace pets

Treat entry pets as scaffolding for the first rebirth loop rather than long-term keeps: the run holds three Frogs with rebirth already available, and they feed early strength. Expect egg results to age badly — once prices hit the millions, a brand-new normal egg still hatches a Rice Ball worth 5% health, and the player rejects it on the spot. When a gate opens, upgrade.

Upgrading stays painless because of the "keep best" tracker: the game keeps your best value across rebirths ("They keep best. And we still have the best"), so pushing toward the next gate builds on your peak instead of resetting it. One detail the footage leaves open: whether "keep best" preserves the pets themselves or only the stats they contributed.

Why there's no full tier list here

Two gaps keep this page from publishing a roster-wide ranking. The late-game purchases at the 10M–3B gates have names the auto-captions garble, so no specific best pet can be named for them — when you reach those gates, compare power readouts in your own shop before spending. And egg contents and hatch odds never appear on screen, so egg advice here is limited to what actually hatched: a 5%-health Rice Ball.

From there, the natural next task is the early rebirth loop your Frogs feed: the Assassin Leveling noob to pro guide follows the whole route from the tutorial onward, and the Assassin Leveling progression guide maps the goals each stage feeds.