It is my personal belief that we can determine the final evolution of a given evomon by looking at its previous stages and looking into possibly important details.
First case: Pora Bear/Ice
First evolution: Ice on my head
Second evolution: Baby Bear
Third evolution: (a larger) Ice Bear
Fourth evolution: Guard (shield)
Details to note: growth in body similar to Snorlax's structure to take more damage
Conclusion: Primarily defensive in nature.
Second case: Tama's Basket
First evolution: Egg in a basket
Second evolution: hatching
Third evolution: Baby tama
Fourth evolutions:
- Guard on head
Shoulder Buddy
Warrior (carrying a bamboo spear)
Leaping
Bamboo grove
Spear
Details to note: Small stature, simple weapon, alert.
Conclusion: Primary emphasis on swift attack - speed and evasion likely as well (noted by Triskellion)
Third Case: Fausto's Bottle
First evolution: Innocence - Essence in bottle
Second evolution: Yearning - starting to escape
Third evolution: Release - essence fully escapes
Fourth evolution: Genesis - formation
5ifth evolution: Freedom - first stage
6ixth evolution: Unnamed stage - developing into full potential
7eventh evolution: Descent - full realization of a warrior
8ighth evolution: Apocalypse - reformation into genesis state - embryonic to restrain its power
9inth evolution: Omega - a sword
Details to note: Feisty, turbulent, metamorphosizing
Conclusion: Primarily offensive in nature. However, possible that it's critical hit rate, along with Hit/Miss Ratio, is low.
