The Monster Slayer Ranger's Hunter's Sense ability gives insight into immunities, resistances and vulnerabilities. The important bit saying this:
"At 3rd level, you gain the ability to peer at a creature and magically discern how best to hurt it. As an action, choose one creature you can see within 60 feet of you. You immediately learn whether the creature has any damage immunities, resistances, or vulnerabilities and what they are."
I am wondering for example about the following, focussing on resistances...
The Sorrowsworn statblocks (Mordenkainen Presents: Monsters of the Multiverse p.222-224) state "bludgeoning, piercing, and slashing while in dim light or darkness" under damage resistances.
The Young Red Shadow Dragon (Monster Manual p.85) only has "necrotic" listed under resistances, but also has the Living Shadow trait that states "While in dim light or darkness, the dragon has resistance to damage that isn't force, psychic, or radiant.", but this is stated outside resistances list.
Is there any ruling for how to handle these conditional resistances when using Hunter's Sense? Also, should the resistances listed in the trait be handled differently to the ones listed in the stat block list?
My thinking is that I should state the resistances that the specific creature has at the time the Hunter's Sense ability is used, which in the examples above would depend on whether or not the creatures is in dim light/darkness or bright light. But I would also state that there are factors that could change the resistances.
But I feel it is ambiguous so the player may be expecting to learn all the resistances and conditions. Perhaps it would be better to just give them all the information related to resistances and the conditions.