Talk:Deconstructor Prime/@comment-71.84.99.239-20180514200029/@comment-2003:C1:B3C2:C000:1CEE:D70B:556D:90B2-20180617151436

Whenever a Sentinel kills an enemy, the player only receives Warframe experience from the kill. Even if the player assisted in the kill, no weapon experience is awarded. You don't lose the exp it just sucks whenever you are not leveling a Warframe.