Lena's Studio: How did the monster 05 1 052,053,054 appear among the alchemists in Shutral?

Lena's studio, the picture of Lena's studio (played for a week) ← This post 1 1L, LZ gave an explanation and a picture (Du Niang slapped her face and the picture couldn't get through).

Illustration of monsters (these four are the end of the strong)

5 1. The legendary chef (the incident of female knight, when the female knight and Helen have a high degree of affection, will lead to the incident of female knight's poor cooking in the capital, and then go to the jeweler and blacksmith's shop in Filson to inquire, and this will appear in the tunnel).

Guess conditions: After September of the third year, Lena LV50 alchemy LV37 female knight likes (LV50) Helen Friendship (LV30) very much.

52. Lions and scorpions (after the appearance of Sha Feng Temple, the capital triggered the event, and then went to Xiulun and Farah to trigger the event)

Guess conditions: Lena LV45 alchemy LV32 after April of the following year.

53. Storm Dragon (take Helen to the underground temple to trigger the incident, to the resurrection of Mokelong, and then to the capital pharmacy, this will only appear in Clay Heights)

54. Death (after the appearance of the underground temple, the capital pharmacy triggered, went back to the underground temple to see the capital pharmacy, and then returned to the underground temple cloister, only appearing in the deepest part of the underground temple)

Guess conditions: Lena LV49 alchemy LV39 after July of the following year.

PS: Weak question, what's strange about 50?