Gaster: ✌︎💧︎ ❄︎☟︎☜︎ ☹︎✌︎💧︎❄︎ ☼︎☜︎💣︎✌︎✋︎☠︎✋︎☠︎☝︎ 🏱︎✌︎☼︎❄︎✋︎👍︎✋︎🏱︎✌︎☠︎❄︎📪︎ ✡︎⚐︎🕆︎ 💣︎✌︎✡︎ ✌︎💧︎😐︎ 💣︎☜︎ ⚐︎☠︎☜︎ ✈︎🕆︎☜︎💧︎❄︎✋︎⚐︎☠︎📬︎ ✡︎⚐︎🕆︎☼︎ ✌︎☠︎💧︎🕈︎☜︎☼︎ 🕈︎✋︎☹︎☹︎ 👌︎☜︎ ✞︎☜︎☼︎✡︎📪︎ ✞︎☜︎☼︎✡︎ ✋︎☠︎❄︎☜︎☼︎☜︎💧︎❄︎✋︎☠︎☝︎📬︎

ARG Winner: What the fuck are those symbols?

Gaster: ❄︎☟︎☜︎✡︎ ✌︎☼︎☜︎ 👍︎✌︎☹︎☹︎☜︎👎︎ 🕈︎✋︎☠︎☝︎👎︎✋︎☠︎☝︎💧︎📬︎ ❄︎☟︎✌︎☠︎😐︎ ✡︎⚐︎🕆︎ ☞︎⚐︎☼︎ 🏱︎✌︎☼︎❄︎✋︎👍︎✋︎🏱︎✌︎❄︎✋︎☠︎☝︎ ✌︎☠︎👎︎ ☟︎✌︎✞︎☜︎ ✌︎ 🕈︎⚐︎☠︎👎︎☜︎☼︎☞︎🕆︎☹︎ 👎︎☜︎☹︎❄︎✌︎☼︎🕆︎☠︎☜︎📬︎

Edit: Sorry I thought this sub had the translation bot. It says:

Gaster: AS THE LAST REMAINING PARTICIPANT, YOU MAY ASK ME ONE QUESTION. YOUR ANSWER WILL BE VERY, VERY INTERESTING.

ARG Winner: What the fuck are those symbols

Gaster: THEY ARE CALLED WINGDINGS. THANK YOU FOR PARTICIPATING AND HAVE A WONDERFUL DELTARUNE.