Theorylytics

Mammorest vs Petallia Ignis

Mammorest vs Petallia Ignis — two Grass Pals in the High (R8–10) rarity band competing for the same combat slot.

TL;DR — Quick Pick

Pick Mammorest if…

  • You specifically want Gaia Crusher as your combat partner skill.
  • Mammorest's Grass kit fits your party better than Petallia Ignis's.

Pick Petallia Ignis if…

  • You value bulk in Grass fights — Petallia Ignis brings 100 Defense.
  • You specifically want Passion of the Flower Spirit as your combat partner skill.
  • Petallia Ignis sits at R9 in this band — stronger base rarity ceiling than Mammorest.
Verdict

Mammorest and Petallia Ignis both cover Grass DPS in the High (R8–10) band, but they win different fights. Mammorest leans on Gaia Crusher and a 100 attack frame. Petallia Ignis answers with Passion of the Flower Spirit and 105 attack (100 Defense vs 90). Pick the partner skill and bulk profile that match how you actually fight — not just the rarer dex number.

At a Glance

Mammorest
Stat
Petallia Ignis
Grass / Ground
Type
Grass / Fire
R8
Rarity
R9
Winner
100
Attack
105
Winner
150
Winner
HP
95
90
Defense
100
Winner
Gaia CrusherCan be ridden. Improves efficiency of cutting trees and mining ores while mounted.
Partner Skill
Passion of the Flower SpiritWhen activated, soothing blossoms restore the player's Health by (80~90)% . While in party, player and party Pals take (15~30)% less Grass damage, and are immune to Ivy-Covered . (Does not stack)
None
Exclusive Skill
None
Solar Blast150 Power
Top Skill Power
Fire Ball600 Power
Winner
Lumbering · Mining · PlantingLv4 · Lv4 · Lv4
Work Skills
Kindling · Medicine Production · Gathering · Handiwork · TransportingLv4 · Lv4 · Lv3 · Lv3 · Lv2
Winner
Yes
Ride / Mount
No
8
Food Upkeep
6
Winner

Strengths & Weaknesses

Mammorest

Strengths

  • Strong Lumbering worker (Lv4)
  • Strong Mining worker (Lv4)
  • Flexible base helper — 3 work roles

Weaknesses

  • Food 8 — heavy ranch upkeep

Petallia Ignis

Strengths

  • Strong Kindling worker (Lv4)
  • Strong Medicine Production worker (Lv4)
  • Flexible base helper — 5 work roles

Weaknesses

  • Food 6 — hungrier than average workers

Combat Kit

Mammorest

Partner Skill

Gaia Crusher

Can be ridden. Improves efficiency of cutting trees and mining ores while mounted.

Active Skills

Petallia Ignis

Partner Skill

Passion of the Flower Spirit

When activated, soothing blossoms restore the player's Health by (80~90)% . While in party, player and party Pals take (15~30)% less Grass damage, and are immune to Ivy-Covered . (Does not stack)

Active Skills

Work Skills

Mammorest vs Petallia Ignis on shared work types — sort a column to see who wins the base slot.

Pal
Mammorest#087
4
4
4
Petallia Ignis#89B
4
3
3
4
2

Who Should You Use?

Mammorest
Use Mammorest if…
  • You specifically want Gaia Crusher as your combat partner skill.
  • Mammorest's Grass kit fits your party better than Petallia Ignis's.
Mammorest Pal Page
Petallia Ignis
Use Petallia Ignis if…
  • You value bulk in Grass fights — Petallia Ignis brings 100 Defense.
  • You specifically want Passion of the Flower Spirit as your combat partner skill.
  • Petallia Ignis sits at R9 in this band — stronger base rarity ceiling than Mammorest.
  • Lower food upkeep matters on your ranch — Petallia Ignis is Food 6.
Petallia Ignis Pal Page