Where to pick up Niu Niu's preliminary task?

No pre-task, go to Boken at level 47. Task name: Imperial spy Boken (Hutton Mar) Celia asks Celia about suspicious people above level 47.

Ask Celia Kanna Reminisce in Kanna Reminisce, ask suspicious people above level 47 in Kanna Reminisce. Ask the earthen jar for information about the suspicious person in the earthen jar of Alvin defense line above grade 47 in Kanna Reminisce. Luck test Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Taotao Clay Pot Doll Pot Pot Pot Pot Pot [Pot Doll] extracted for luck test above level 47.

Suspected pottery pot Boken (Hutton Mar) is above grade 47. Tell the findings to Birken in Hutton Mar. Boken's thanks to Boken (Hutton Mar) pottery pots above grade 47. Tell Boken's conversation to the pottery jar of Alvin's defense line. The Billmark Imperial Test Site was investigated 1 time when the earthenware tank was above level 47 and passed Roland's "Billmark Imperial Test Site". Norton collected 10 [soul spar] and 30 [small black crystal block] in the imperial experimental earthen pot and gave them to Norton to help him make [immune capsules].