i don´t think that andromedas is a trap, she is your best friend for auto battles, i´m more o less a old player lv108 with 40k atk and go auto battle with shinsen, artur, hercules or any other soul and it usually end with lost battle with the boss at 2/5 hp
sure just andromeda 1600 hp don´t will keep u alive but with other healer, 2600 each 5 turn is very solid,add sniper shot and other hime with def down A/C f and u are set
accesory quest 30/35 with 1 single healer and any atk soul and by the time that u reach the 3 stage you have only 3 o 2 himes left
in most of advent battles ultimate & expert if u can´t break the rage mode at boss with full burst you will lose, so there andromeda don´t is very useful
raid event expert and guild event have boss with tons hp and without a gody team u can´t kill it with 1 single full burst, long battles work well with andomeda and yeah u can call for help in those battles but the people will ignore u, to save the ap for ragnarok and demon hunt