The modern army would have firearms, missiles, and advanced explosives. These weapons are highly destructive and can cause mass damage from a distance. In contrast, the fantasy army would likely have swords, bows, and magic spells. The modern weapons would seem overpowering at first, but the magic in the fantasy army could potentially counter them. For example, a magic shield could deflect bullets.
Well, it really depends. The modern army has a structured military doctrine developed over centuries of warfare evolution. They use concepts like combined arms operations. However, the fantasy army could have magic - users. If these magic - users are powerful enough, they could disrupt modern army strategies. For instance, they might be able to create illusions to mislead the modern troops or use magic to disable their high - tech equipment.
Guts is purely fictional. It's a concept or character that exists within the realm of imagination and creative storytelling rather than being based on reality.
It really depends on the specific circumstances. If the fantasy side has powerful magic, like being able to conjure up huge firestorms or turn the ground into quicksand under the modern army's feet, they could win. But modern armies have advanced weaponry like missiles and tanks. If they can quickly figure out the weaknesses of the fantasy elements, they might prevail.