Location of Mysterious Cards

Link to video containing location of Mysterious Cards, also a (spoiler tagged) text description of roughly where the cards are.

Mysterious Card 1

The first card is obtained as part of the story when you help the old lady to the apothecary in Nexton.

Mysterious Card 2

In Thriceton, there is a man on west side of the town. Give him an antidote to obtain the second card.

Mysterious Card 3

In Woodland, the third card can be obtained by giving Ridis's Mother any item for her illness, even if it doesn't help. Doing this either before or after using the Inn both work.

Mysterious Card 4

In Woodland, after putting the fire out in Ridis's home, the 4th card can be obtained by giving the old man by the well some salve.

Mysterious Card 5

In Unionville, the 5th card can be obtained by giving the Goblin on the top right part of the town some salve, as usual.

Mysterious Card 6

In Shoreland, after talking to the old lady in the south side of the town about her missing medicine, you can find the thief by the shore. The 6th card is obtained regardless whether you let the thief keep the medicine or take it back.

Mysterious Card 7

After obtaining the Magical Key from musty tower 4th floor, return to Advent to open the locked door. The 7th card is in the chest behind the door.

Mysterious Card 8

In Village of the Sick, talk to the man in the north side of the town. The card can be obtained regardless if you give him salve or not.

Mysterious Card 9

In the Volcano, after reaching the third floor, there's another set of stairs going down on the left side of the map, take it down to the floor below and the 9th card is in a chest in that area.

Mysterious Card 10

In the Mausoleum, on the 3rd level (with the hidden doors), the card is in a chest in the second layer of doors.

Image of location below:
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Video Guide

Note: this is not my video. If the video is helpful, please like the video and subscribe to the channel to help the creator.

Timestamps:
Mysterious Card 1 : 0:00
Mysterious Card 2 : 2:45
Mysterious Card 3 : 3:58
Mysterious Card 4 : 4:53
Mysterious Card 5 : 5:57
Mysterious Card 6 : 6:52
Mysterious Card 7 : 8:40
Mysterious Card 8 : 9:41
Mysterious Card 9 : 11:52
Mysterious Card 10 : 12:22

[toka]

I don't know, but I don't think it matters what item you give.

[DjUlt]

Are items for Ridis's mother always the same?
The game gave me a choice of inspirilixir, protectorant and oil pot

[toka]

I've used 3 different items for her and got the same response so I don't believe there are any.

[Dr. Idiot]

Are there any items that will help Ridis's mother's disease?