So, basically...
And I should note that in our modern language, there are very few words of Slavic origin, so you could just as easily criticize people for using words that came to us from Greek and Latin.
- In my opinion (apparently), his army grows due to events.
In this situation, there is no difference. But to read this short sentence, I had to dig into the meaning of these words. And maybe if you wrote purely in English, and not in Surzhyk, it would be easier to read (you did learn it once). Words from other languages came when there were no such words or concepts in the native language, and there was nothing to replace them with.
When communicating not in a close circle of friends, but with strangers, try to express yourself more clearly. Imagine if someone described a walkthrough of a difficult map briefly - "started and finished":D, instead of spending time on a detailed description.
Справочник по НоММ-4 http://handbookhmm.ru/pamyatka-dlya-heroes-iv.html
Памятка по НоММ-3 http://handbookhmm.ru/pamyatka-dlya-homm-iii.html
и HotA http://handbookhmm.ru/vyishla-obnovlennaya-pamyatka-dlya-homm-iii-hota.html