Workflow icons from Game-icons.net

Shuriken by Lorc
https://game-icons.net/1x1/lorc/shuriken.html
Author: https://lorcblog.blogspot.com/
Modification: recolored orange.

Kunai adapted from Thrown daggers by Lorc
https://game-icons.net/1x1/lorc/thrown-daggers.html
Author: https://lorcblog.blogspot.com/
Modifications: selected one kunai from the composition, cropped the viewBox,
and recolored orange. The selected blade's geometry is unchanged.

Katana by Delapouite
https://game-icons.net/1x1/delapouite/katana.html
Author: https://delapouite.com/
Modification: recolored orange.

All three works are licensed under Creative Commons Attribution 3.0 Unported:
https://creativecommons.org/licenses/by/3.0/
License terms: https://creativecommons.org/licenses/by/3.0/legalcode

No endorsement by the artists is implied.