This is the 529th most frequent Japanese word.
モノ
"モノ" (mono) means "thing" or "object."
Here, 'モノ' is used to refer to a tangible object or thing, highlighting it as a unique item.
このモノはとても珍しいです。
This object is very rare.
In this sentence, 'モノ' metaphorically represents 'will' as an abstract concept possessed by an individual.
彼は意志の強いモノを持っています。
He possesses a strong will.
'モノ' generalizes to tangible objects here, specifying categories of common items.