Pokemon pearl. what can i find when i go underground

Question

1.what can i find underground... make a list please;;;;

2.how can i do my pokemon team better;;,

torterra

giga drain

leaf storm

earthquake

crunch

gastrodon

surf

blizzard

strength

recover

steelix

stone edge

fire fang

iron tail

stealth rock.

..

.

.

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Answer 1

No offence but I find Pokemon pretty boring. Sorry.