As he's living out his amazing slime life, Rimuru decides to record his experiences in a diary... but there are so many, he doesn't know where to start. That's just how life in Tempest goes.
Look! I've learned some 
sort of incredible power!
!انظر! تعلّمتُ قوّة مدهشة
Bitte schaut mal.
Ich habe eine tolle neue Technik!
Guardate!
Veja isto! Parece que
aprendi um ataque incrível!
Поглядите!
Я, кажется, научился новой технике!