It is manipulation in case c) because Sans would know Asgore would never do that thus making Frisk think something that isn't true to receive an outcome he wishes for.
3 months ago
One thing has caught my attention, Sans could be either:
a) firing up Frisk to kill Asgore
b) really believing Asgore would destroy humanity with 7 souls
c) wanting Frisk to actually give up on fighting Asgore and stay in The Underground (manipulation)
Next up
well i'm dead
Echidna being an evil manipulative witch that would make Subaru do suicide just to redo any small detail if he agreed on her deal:
casual Re:Zero fan: That tea must taste delicious!!! I want a taste!
umm i made art guys
(i know it sucks dw)
This week's Fan Art Friday celebrates Undertale! Accept the quest in your quest log to get started.
I'm gonna ask Akinator if he knows who this is
Happy Joltidays! A new quest has entered your quest log. Accept the quest and follow @souptaels 
to open today's slot on the calendar.
Am I right lads or am I right lads?
Toriel when a human murders an innocent monster: ok Toriel when a Froggit looks at the human from up-close as it's just curious: *if looks could kill*
Roaring Knight: Crossover (Tentative Title)
[WIP 01]
me: *enjoying the game* my enemy 2s later: HUUUUUUU-
0 comments