This thread is about Season 4 in reduced cost. The first occurrence appeared on March 25, 2022
Event: Tremors of Underwild (Reduced Cost)
- Core Rules: The basic functioning of the season (Stages, missions, etc.) remains the same as the original version.
Find the guide Voyagers of UnderwildVoyagers of The Underwild
- New Feature: The main difference is the addition of "Underwild Bats" monsters, which allow you to earn extra rewards when you complete the levels.
Access Conditions and Cost
How to Access the Event
- Where to Find It: Access is via the Seasons Tab.
- Prerequisite: You must have completed up to stage 15 of season 3.
- Base Season: It is available permanently.
- Frequency (Summon Portal): It is part of a 4-day rotation among several seasons: S2 > S3 > S4 > S5 > UT1 > UT2
Energy Cost (Reduced)
The levels in this event cost less World Energy than usual:
- Easy Mode: 3 to 7 energy.
- Hard Mode: 7 to 13 energy.
Specific Gameplay: Underwild Bats
What is an Underwild Bats?
These are creatures that can appear randomly in levels.
They grant extra rewards if you complete the level:
- S4 Coins
- Emblems
- Crafting items
- Resource Bundle
Daily Clam Limit
The quantity of Exquisite Clams you can obtain is limited each day.
- Starting Cap: 15 clams per day.
- Increase: The limit increases by 15 each day up to a maximum of 60 clams per day.
Monster Lure (Paid Option)
The Monster Lure is an upgrade available through a special paid offer:
- It immediately increases your daily clam limit from 15 to 25 per day.
- It also increases the quantity of specific S4 pieces found in loot.
How to Defeat Underwild Bats (Combat Tip)
- Invulnerability: The Underwild Bats appear "hidden" and are protected from direct damage for 3 turns.
- Attack: Once they emerge from cover, they can be attacked and defeated.
Tip: If you use a damage sharing ability (which damages all enemies), you can defeat the clam even when hidden by targeting the other monsters.
Tremors of Underwild Summon Portal
Summoning Cost
1 Summon: 350 gems or 100 S4 coins
10 Summons: 3000 gems
30 Summons: 8400 gems
Each summon in the portal credits a summoning chest. Every 10 summons, the retrieved chest grants rewards. You can only obtain a maximum of 12 chests per session.
Appearance Rate
Presence of heroes from three groups:
- The heroes from Season 4.
- The heroes from Season 1 (but without costumes).
Resources (Farming)
Find the farming thread here:
Infographics available by Cap, Minzi, Kora, BirksG

