TIL that the riven challenge with the synthesis target begins only after you find the it, which means that you can take damage and use abilities before that. That is some good
Pressing the synthesis scanner hotkey will leave them on but you can use your weapons. : r/Warframe
Helios | WARFRAME Wiki | Fandom
Steam Community :: Guide :: Synthesis Target Locations [31.0.5]
What Synthesis Scanner Widgets work on Helios? - Players helping Players - Warframe Forums