Fungal Charm
Tier 2 Explosive Resist
Fungal Charm is a Tier 2 trinket in Grounded. Its effect is Explosive Resist. In-game it is described as: "A pretty growth of fungus that seems to want to protect you from harm."
A trinket occupies a utility slot — it grants a passive effect rather than raw armor or damage, so it competes with your damage and survival perks for that slot.
The effect it grants is Explosive Resist, which is what you are really equipping it for; the slot is better spent here than on a trinket whose effect you will not trigger.
You get it via Haze Fungus.
Verdict: Overall Fungal Charm is a Tier 2 trinket best used when its Explosive Resist effect fits the fight ahead.
How to get: Haze Fungus
A pretty growth of fungus that seems to want to protect you from harm.