These "lovely new ice flowers" are obtained by using an "icicle chisel"
on an "ice cube"
during the "Within the Tides Quest"

> This mission is given by npc Vrisaki
> When using the item on the cube, it can give types of ice flowers:
1. Puny Ice Flower 
2. Pretty Ice Flower 
3. Beautiful Ice Flowers 
4. Marvelous Ice Flowers 
> The objective of the mission is to try to carve a "Pretty Ice Flower" or "Beautiful Ice Flowers"
> It is possible to keep the item in the backpack
> Remember that the more complex the flower sprite, the more challenging it will be.
> Get ready to carve around 500 ice cubes if you want to get a "Marvelous Ice Flowers"

> The ice flowers are a sign of resistance to the flames of the fire asuras
Source: Libosi Twitch / Tibiafandom