Frost Globe ability question

Hi,

Frost globe ability in question, to be exact dose it still combine force/strength of casted few globes in same spot ? I asking do to fact i see many guides on youtube mention it , i have been away from WF for about 18 months or so and i try to build Frost Pr and it seems i cant make this particular part of hes abilities to work ( i mean if i cast 3 globes in same spot strength of it same as i would cast one globe) , dose it been removed from game or i missing something ?

Thank you all in advance for answer .

Please help.

I didn't find the right solution from the Internet.

References
forums.warframe.com/topic/892438-frost-globe-ability-question/
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Thanks