Evolution costs and crystals

Fish: 23 cost entries

Use jaws for biting and fins, dorsal fins and tails to prepare your movement. A swordfish horn restricts your jaw choices.

• The smooth body's cost and independent cross-checking of the initial horn remain on hold. The swordfish horn is not generalized as an unbreakable horn for every form.

Amphibians: 28 cost entries

For jumping, prepare the tail and dorsal fin; for biting, prepare the jaws. The back-of-head options have different roles even when each costs 300.

• Body size changes the combination of stats. This table lists evolution costs, not every stat. Costs for Ichthyostega, scaled and armored bodies remain on hold because sources disagree.

Shared reptile/bird parts and reptile bodies/tails: 40 cost entries

Check jaws, horns, back-of-head parts, necks and dorsal fins also available to birds separately from reptile bodies and tails.

• Ankylosaurus and Archelon bodies are for four-legged forms and are not bird-body options. Switching between two and four legs is also a reptile action.
• "Strongest tail" is the option's name, not a ranking that makes it optimal for every form and boss.

Birds: 11 body and tail cost entries

Check bird jaws and other shared parts in the section above. Bird-tail options differ from reptile-tail options.

• The bird's wavy-tail cost remains on hold because independent sources disagree. The cost of 100 for the reptile tail with the same name is not reused.

Mammals: 24 cost entries

Cat jaws and a rabbit body are requirements for the human branch. Record your four-legged form and save your adventure before changing to Ramapithecus.

• Costs for cat bodies, horse/deer bodies, necks and further evolutions after Ramapithecus remain on hold due to disagreements or insufficient cross-checking. Follow the in-game display.

The 4 crystal colors

Independently cross-checked blue crystals

• Independent location cross-checking continues for Chapter 1's blue crystals and every green crystal.

Planning the order of evolution purchases

1. The early fish jaws cost 200, and the next cost 800. Check jaws first if your bite reaches enemies; check fins or tails first if you cannot catch them.
2. For amphibians, a power tail at 100 and remnant shark dorsal fin at 200 prepare you to jump. Both cost 300 in total; reserve additional points for healing.
3. The human prerequisites total 5700: cat jaws at 200 + rabbit body at 500 + Ramapithecus at 5000. Further evolution costs are separate, so do not calculate that this amount completes the form.