Thanx.

I like each update and they are great chance i'll buy Entanglement if you continue improving game like that.

I don't see any fire creature at surface now since this updtate.

They definitely still appear, mostly at night though. If your base is surrounded by torches the chance to appear is allot less.

Ok i got one in Entanglement.

It took long time before it die but i got runes 3 & 4 + charms.

There set to appear more often with time, depending on difficulty level. Those runes are best used on forge / furnace in the level slot your weapons will be much higher levels.
If you Approach them from the water and move away, they are more likely to follow you, Just just need to dodge those fire balls.

How many runes can i put in workstation in same slot ?

Each rune slot can take one rune from level 1 to 10.
If the slot has a level 3 rune in it and you put in a level 5 you will get back the level 3. You cannot however remove a rune once placed without swapping out with a larger one.

Runes can be upgraded at the obelisk, if you have located one.