Found it!
https://mangafire.to/read/ojousama-kei-teihen-dungeon-haishinsha-meiwaku-kei-wo-bokottara-bazutte-densetsu-ni-nattemasu-wa.mj55z/en/chapter-5
Apparently because she works alone and barehanded, she triggered an otherwise unknown phase of a boss.
https://mangafire.to/read/ojousama-kei-teihen-dungeon-haishinsha-meiwaku-kei-wo-bokottara-bazutte-densetsu-ni-nattemasu-wa.mj55z/en/chapter-5
Apparently because she works alone and barehanded, she triggered an otherwise unknown phase of a boss.
The Galactic Navy Officer Becomes an Adventurer
by Takuma Tomomasa , A_Itoh
Available on mangabuddy for reading, and for sale at https://www.amazon.com/dp/B0BT6V7CMM
by Takuma Tomomasa , A_Itoh
Available on mangabuddy for reading, and for sale at https://www.amazon.com/dp/B0BT6V7CMM
