wallpaper，32k，Left-right opposition，Two factions of gods，Aesir：奥丁和他的兄弟们建立了Aesir，They are gods of wisdom and war。 Vanir：与Aesir相对的是Vanir，They pay more attention to nature and harvest。Norse mythology，

(worst quality, greyscale), ac_neg2, zip2d_neg, ziprealism_neg, watermark, username, signature, text, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, jpeg artifacts, bad feet, extra fingers, mutated hands, poorly drawn hands, bad proportions, extra limbs, disfigured, bad anatomy, gross proportions, malformed limbs, missing arms, missing legs, extra arms, extra legs, mutated hands, fused fingers, too many fingers, long neck